Polonium: A radioactive element that is a member of the chalcogen family. It has the atomic symbol Po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209Po) is 208.98. It decays by alpha-emission. [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]
polonium atom : A radioactive metallic element discovered in 1898 by Marie Sklodowska Curie and named after her home country, Poland (Latin Polonia). [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]
| ID Source | ID |
|---|---|
| PubMed CID | 6328143 |
| CHEBI ID | 33313 |
| MeSH ID | M0017131 |
| Synonym |
|---|
| Q979 |
| polonium |
| po |
| polonium atom |
| CHEBI:33313 |
| polonio |
| 7440-08-6 |
| 84po |
| polonium positive ion |
| polonium ion |
| unii-dqy03u61ej |
| einecs 231-118-2 |
| dqy03u61ej , |
| polonium [mi] |
| DTXSID9064683 |
Polonium-210 is a naturally occurring radioactive element that decays by emitting an alpha particle. It is a carcinogenic member of the (238)U decay series.
| Excerpt | Reference | Relevance |
|---|---|---|
| "Polonium-210 is a naturally occurring radioactive element that decays by emitting an alpha particle. " | ( Mortality among mound workers exposed to polonium-210 and other sources of radiation, 1944-1979. Boice, JD; Chadda, B; Cohen, SS; Cragle, DL; Eckerman, KF; Ellis, ED; Leggett, RW; Mumma, MT; Richter, BS; Sonderman, JS; Wallace, PW; Wiggs, LD, 2014) | 2.11 |
| "Polonium-210 ((210)Po) is a naturally-occurring, carcinogenic member of the (238)U decay series and the granddaughter of (210)Pb. " | ( (210)Po in drinking water, its potential health effects, and inadequacy of the gross alpha activity MCL. Seiler, R, 2016) | 1.88 |
| Excerpt | Reference | Relevance |
|---|---|---|
| "Polonium-210 (210Po) has been analysed in the soft parts of two bivalves species, the scallop Chlamys varia and the common mussel Mytilus edulis, from the Bay of La Rochelle and Ré Island, on the French Atlantic coast. " | ( Concentration and distribution of 210Po in the tissues of the scallop Chlamys varia and the mussel Mytilus edulis from the coasts of Charente-Maritime (France). Bustamante, P; Germain, P; Leclerc, G; Miramand, P, 2002) | 1.76 |
| Excerpt | Reference | Relevance |
|---|---|---|
| " The activity intake, effective dose and cancer risk was found lesser than international guidelines and the seafood intake was considered to be safe for human consumption." | ( Assessment of health safety from ingestion of natural radionuclides in seafoods from a tropical coast, India. Godwin Wesley, S; Khan, MF, 2011) | 0.37 |
| Excerpt | Reference | Relevance |
|---|---|---|
| " In the case of MAbs directed against intracellular antigens, increasing the permeability of the cytoplasmic membrane may augment the bioavailability of the antigen for the antibody." | ( Monoclonal antibody Po66 uptake by human lung tumours implanted in nude mice: effect of co-administration with doxorubicin. Brichory, F; Dazord, L; Delaval, P; Desrues, B; Léna, H; Ramée, MP; Toujas, L, 1995) | 0.29 |
| " The investigation of low specific-activity environmental or industrial materials, and the very low bioavailability of elements such as the actinides, means that very low levels of activity have to be measured." | ( Measurements of the gastrointestinal absorption and tissue distribution of plutonium, americium and polonium in experimental animals. Bonas, HE; Haines, JW; Harrison, JD; Naylor, GP; Whysall, K, 1993) | 0.5 |
| "The mussels (Mytilus galloprovincialis) have been evaluated for their bioavailability as biomonitors of trace and toxic elements in coastal water of western Anatolia." | ( Trace metals and 210Po (210Pb) concentrations in mussels (Mytilus galloprovincialis) consumed at western Anatolia. Bassari, A; Uğur, A; Yener, G, 2002) | 0.31 |
| " Subcellular investigations have shown that approximately 40% of the 210Po contained in the digestive gland is in the cytosolic fraction, suggesting a high bioavailability of the 210Po from this fraction to the trophic upper level." | ( Concentration and distribution of 210Po in the tissues of the scallop Chlamys varia and the mussel Mytilus edulis from the coasts of Charente-Maritime (France). Bustamante, P; Germain, P; Leclerc, G; Miramand, P, 2002) | 0.31 |
| Excerpt | Relevance | Reference |
|---|---|---|
| " When the initial slopes of the dose-response curves are used to compare the relative biological effectiveness (RBE) of different radiocompounds, the alpha particles emitted in the decay of 210Po are more effective than Auger electrons emitted by 125I incorporated in the DNA of the spermatogonial cells, and both emissions are more effective than X rays." | ( Induction of sperm head abnormalities by incorporated radionuclides: dependence on subcellular distribution, type of radiation, dose rate, and presence of radioprotectors. Howell, RW; Lanka, VK; Narra, VR; Rao, DV; Sastry, KS, 1991) | 0.28 |
| " No significant dose-response trends were identified for all causes combined, all cancers combined, or for cause-specific cancers among the Po-monitored subcohort." | ( Mortality among a cohort of workers monitored for 210Po exposure: 1944-1972. Cox-DeVore, CA; Voelz, GL; Wiggs, LD, 1991) | 0.28 |
| " Such risk assessment should be based upon careful evaluation of scientific findings of dose-response relationships in the chronically exposed population." | ( Health assessment of environmental pollutants: proliferative and degenerative diseases. Stuart, BO, 1988) | 0.27 |
| " Slopes of dose-response relations for lung cancer show a tendency to decrease with increasing dose." | ( Estimates of lifetime lung cancer risks resulting from Rn progeny exposure. Dougherty, C; McNeill, KG; Thomas, DC, 1985) | 0.27 |
| " Critical support for this thesis is based upon experimental animal studies in which lung cancers that resemble adenocarcinomas are induced with as little as 15 rads of radioactive polonium, equal to one fifth the dosage inhaled by cigarette smokers who average two packs a day during a 25-year period." | ( Lung cancer: is the increasing incidence due to radioactive polonium in cigarettes? Marmorstein, J, 1986) | 0.71 |
| "Comparison of dose-response curves yielded RBE values of 13." | ( Relative biological effectiveness (RBE) of 210Po alpha-particles versus X-rays on lethality in bovine endothelial cells. Hiebert, L; Ping, T; Sidhu, N; Thomas, PA; Tracy, BL; Wickstrom, M, 2003) | 0.32 |
| " The implications of the dose-response for arsenic exposure for risk estimation merit further consideration." | ( Lung cancer mortality at a UK tin smelter. Atkin, P; Batlle, JV; Holroyd, C; Jones, SR; Lutman, E; Wakeford, R; Walker, P, 2007) | 0.34 |
| " Unlike typical survival curves for alpha particles, two-component exponential dose-response curves were observed for all three labeling conditions." | ( Biological response to nonuniform distributions of (210)Po in multicellular clusters. Howell, RW; Neti, PV, 2007) | 0.34 |
| " For Co studies, animals received a single dose of Cuprimine or Syprine, while for Po studies animals were repeatedly dosed at 24-h intervals for a total of 5 doses." | ( Evaluation of Cuprimine and Syprine for decorporation of (60)Co and (210)Po. Creim, JA; Curry, TL; Levinson, B; Levitskaia, TG; Luders, T; Morris, JE; Thrall, KD; Woodstock, AD, 2010) | 0.36 |
| " Cox proportional hazards models were used to evaluate dose-response relationships for specific organs and tissues." | ( Mortality among mound workers exposed to polonium-210 and other sources of radiation, 1944-1979. Boice, JD; Chadda, B; Cohen, SS; Cragle, DL; Eckerman, KF; Ellis, ED; Leggett, RW; Mumma, MT; Richter, BS; Sonderman, JS; Wallace, PW; Wiggs, LD, 2014) | 0.67 |
| Class | Description |
|---|---|
| chalcogen | Any p-block element belonging to the group 16 family of the periodic table. |
| metal atom | An atom of an element that exhibits typical metallic properties, being typically shiny, with high electrical and thermal conductivity. |
| [compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Timeframe | Studies, This Drug (%) | All Drugs % |
|---|---|---|
| pre-1990 | 574 (49.61) | 18.7374 |
| 1990's | 106 (9.16) | 18.2507 |
| 2000's | 151 (13.05) | 29.6817 |
| 2010's | 280 (24.20) | 24.3611 |
| 2020's | 46 (3.98) | 2.80 |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.
| This Compound (84.06) All Compounds (24.57) |
| Publication Type | This drug (%) | All Drugs (%) |
|---|---|---|
| Trials | 0 (0.00%) | 5.53% |
| Reviews | 59 (4.80%) | 6.00% |
| Case Studies | 19 (1.55%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 1,150 (93.65%) | 84.16% |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|---|---|---|---|---|
| benzene [no description available] | 1.94 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
| carbon monoxide Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 1.94 | 1 | 0 | carbon oxide; gas molecular entity; one-carbon compound | biomarker; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; human metabolite; ligand; metabolite; mitochondrial respiratory-chain inhibitor; mouse metabolite; neurotoxin; neurotransmitter; P450 inhibitor; probe; signalling molecule; vasodilator agent |
| methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.89 | 4 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
| citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 2.06 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
| chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.06 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
| hydrogen sulfide Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 1.96 | 1 | 0 | gas molecular entity; hydracid; mononuclear parent hydride; sulfur hydride | Escherichia coli metabolite; genotoxin; metabolite; signalling molecule; toxin; vasodilator agent |
| dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.4 | 2 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
| glycine [no description available] | 7.34 | 2 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
| glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 1.94 | 1 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
| hydrogen carbonate Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 1.94 | 1 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.38 | 2 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
| iodine Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.76 | 3 | 0 | diatomic iodine | nutrient |
| methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2 | 1 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
| nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 3.07 | 5 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
| nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.86 | 4 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
| nitric acid Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. | 7.34 | 2 | 0 | nitrogen oxoacid | protic solvent; reagent |
| hydroxide ion [no description available] | 2.1 | 1 | 0 | oxygen hydride | mouse metabolite |
| palmitic acid Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 1.98 | 1 | 0 | long-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; Daphnia magna metabolite; EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor; plant metabolite |
| parathion [no description available] | 1.96 | 1 | 0 | C-nitro compound; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; mouse metabolite |
| sulfuric acid sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 1.99 | 1 | 0 | sulfur oxoacid | catalyst |
| sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 2.38 | 2 | 0 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
| toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 1.94 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
| beta-aminoethyl isothiourea beta-Aminoethyl Isothiourea: A radiation-protective agent that can inhibit DNA damage by binding to the DNA. It also increases the susceptibility of blood cells to complement-mediated lysis. | 1.98 | 1 | 0 | ||
| benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 2.37 | 2 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
| pentetic acid Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 1.95 | 1 | 0 | pentacarboxylic acid | copper chelator |
| dimercaprol Dimercaprol: An anti-gas warfare agent that is effective against Lewisite (dichloro(2-chlorovinyl)arsine) and formerly known as British Anti-Lewisite or BAL. It acts as a chelating agent and is used in the treatment of arsenic, gold, and other heavy metal poisoning.. dimercaprol : A dithiol that is propane-1,2-dithiol in which one of the methyl hydrogens is replaced by a hydroxy group. a chelating agent originally developed during World War II as an experimental antidote against the arsenic-based poison gas Lewisite, it has been used clinically since 1949 for the treatment of poisoning by arsenic, mercury and gold. It can also be used for treatment of poisoning by antimony, bismuth and possibly thallium, and (with sodium calcium edetate) in cases of acute leaad poisoning. Administration is by (painful) intramuscular injection of a suspension of dimercaprol in peanut oil, typically every 4 hours for 2-10 days depending on the toxicity. In the past, dimercaprol was also used for the treatment of Wilson's disease, a severely debilitating genetic disorder in which the body tends to retain copper, with resultant liver and brain injury. | 3.04 | 5 | 0 | dithiol; primary alcohol | chelator |
| glutaral Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5. | 1.95 | 1 | 0 | dialdehyde | cross-linking reagent; disinfectant; fixative |
| guaifenesin Guaifenesin: An expectorant that also has some muscle relaxing action. It is used in many cough preparations. | 1.94 | 1 | 0 | methoxybenzenes | |
| hydrochlorothiazide Hydrochlorothiazide: A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It is used in the treatment of several disorders including edema, hypertension, diabetes insipidus, and hypoparathyroidism.. hydrochlorothiazide : A benzothiadiazine that is 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted by a chloro group at position 6 and a sulfonamide at 7. It is diuretic used for the treatment of hypertension and congestive heart failure. | 1.95 | 1 | 0 | benzothiadiazine; organochlorine compound; sulfonamide | antihypertensive agent; diuretic; environmental contaminant; xenobiotic |
| sodium fluoride [no description available] | 1.95 | 1 | 0 | fluoride salt | mutagen |
| trientine Trientine: An ethylenediamine derivative used as stabilizer for EPOXY RESINS, as ampholyte for ISOELECTRIC FOCUSING and as chelating agent for copper in HEPATOLENTICULAR DEGENERATION.. TETA : An azamacrocyle in which four nitrogen atoms at positions 1, 4, 8 and 11 of a fouteen-membered ring are each substituted with a carboxymethyl group.. 2,2,2-tetramine : A polyazaalkane that is decane in which the carbon atoms at positions 1, 4, 7 and 10 are replaced by nitrogens. | 2.05 | 1 | 0 | polyazaalkane; tetramine | copper chelator |
| mitomycin Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae. | 1.93 | 1 | 0 | mitomycin | alkylating agent; antineoplastic agent |
| penicillamine Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group. | 2.38 | 2 | 0 | non-proteinogenic alpha-amino acid; penicillamine | antirheumatic drug; chelator; copper chelator; drug allergen |
| idoxuridine [no description available] | 2.89 | 4 | 0 | organoiodine compound; pyrimidine 2'-deoxyribonucleoside | antiviral drug; DNA synthesis inhibitor |
| isoflurophate Isoflurophate: A di-isopropyl-fluorophosphate which is an irreversible cholinesterase inhibitor used to investigate the NERVOUS SYSTEM. | 1.94 | 1 | 0 | dialkyl phosphate | |
| serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 1.94 | 1 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 1.93 | 1 | 0 | C-nitro compound; carboxamide; diol; organochlorine compound | antibacterial drug; antimicrobial agent; Escherichia coli metabolite; geroprotector; Mycoplasma genitalium metabolite; protein synthesis inhibitor |
| aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 1.94 | 1 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
| cysteamine Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 2.64 | 3 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
| histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 1.94 | 1 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
| tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.34 | 2 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| acetylene [no description available] | 1.94 | 1 | 0 | alkyne; gas molecular entity; terminal acetylenic compound | |
| phencyclidine Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 4.23 | 18 | 0 | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
| dicofol Dicofol: An organochlorine insecticide.. dicofol : A tertiary alcohol that is DDT in which the benzylic hydrogen has been replaced by a hydroxy group. | 1.96 | 1 | 0 | monochlorobenzenes; organochlorine acaricide; tertiary alcohol | |
| ditiocarb Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.65 | 3 | 0 | dithiocarbamic acids | chelator; copper chelator |
| oleanolic acid [no description available] | 2.01 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | plant metabolite |
| deoxycytidine [no description available] | 1.97 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| potassium hydroxide potassium hydroxide: RN given refers to cpd with MF of K-OH | 1.97 | 1 | 0 | alkali metal hydroxide | |
| sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.05 | 1 | 0 | alkali metal hydroxide | |
| thorium dioxide Thorium Dioxide: Thorium oxide (ThO2). A radiographic contrast agent that was used in the early 1930s through about 1954. High rates of mortality have been linked to its use and it has been shown to cause liver cancer. | 4.66 | 9 | 0 | thorium molecular entity | |
| cupric sulfide copper(II) sulfide : A copper sulfide in which the metal is in the +2 oxidation state. | 2.1 | 1 | 0 | ||
| d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 2.13 | 1 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
| octachloronaphthalene Perna: A genus of freshwater mussel in the family MYTILIDAE, class BIVALVIA. It is found in tropical and warm temperate coastal waters. Most species have green in their shells. | 2.1 | 1 | 0 | ||
| dysprosium Dysprosium: An element of the rare earth family that has the atomic symbol Dy, atomic number 66, and atomic weight 162.50. Dysprosium is a silvery metal used primarily in the form of various salts. | 1.95 | 1 | 0 | f-block element atom; lanthanoid atom | |
| lanthanum [no description available] | 3.48 | 2 | 0 | f-block element atom; lanthanoid atom; scandium group element atom | |
| manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 3.76 | 3 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
| mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 2.93 | 4 | 0 | elemental mercury; zinc group element atom | neurotoxin |
| neptunium Neptunium: A radioactive element of the actinide metals family. It has the atomic symbol Np, and atomic number 93. | 3.75 | 3 | 0 | actinoid atom; f-block element atom | |
| niobium Niobium: A metal element atomic number 41, atomic weight 92.906, symbol Nb. | 2.34 | 2 | 0 | vanadium group element atom | |
| plutonium Plutonium: A naturally radioactive element of the actinide metals series. It has the atomic symbol Pu, and atomic number 94. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons. | 7.76 | 50 | 0 | actinoid atom; f-block element atom | |
| promethium Promethium: A radioactive element of the rare earth family of metals. It has the atomic symbol Pm, and atomic number 61. It has been used in the construction of atomic batteries, in the preparation of self-luminous compounds, and as a beta-particle source for thickness gauges. | 1.95 | 1 | 0 | f-block element atom; lanthanoid atom | |
| protactinium Protactinium: A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-emission. | 4.26 | 3 | 0 | actinoid atom; f-block element atom | |
| ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 3.45 | 2 | 0 | iron group element atom; platinum group metal atom | |
| silver Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 8.36 | 7 | 0 | copper group element atom; elemental silver | Escherichia coli metabolite |
| technetium Technetium: The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years. | 2.41 | 2 | 0 | manganese group element atom | |
| thorium Thorium: A radioactive element of the actinide series of metals. It has an atomic symbol Th, atomic number 90, and atomic weight 232.04. It is used as fuel in nuclear reactors to produce fissionable uranium isotopes. Because of its radioopacity, various thorium compounds are used to facilitate visualization in roentgenography. | 12.76 | 58 | 0 | actinoid atom; f-block element atom | |
| thulium Thulium: An element of the rare earth family of metals. It has the atomic symbol Tm, atomic number 69, and atomic weight 168.93. | 1.95 | 1 | 0 | f-block element atom; lanthanoid atom | |
| actinium Actinium: A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission. | 2.64 | 3 | 0 | actinoid atom; f-block element atom; scandium group element atom | |
| americium Americium: A completely man-made radioactive actinide with atomic symbol Am, and atomic number 95. Its valence can range from +3 to +6. Because of its nonmagnetic ground state, it is an excellent superconductor. It is also used in bone mineral analysis and as a radiation source for radiotherapy. | 4.05 | 15 | 0 | actinoid atom; f-block element atom | |
| argon Argon: A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. | 2.36 | 2 | 0 | monoatomic argon; noble gas atom; p-block element atom | food packaging gas; neuroprotective agent |
| cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 8.49 | 8 | 0 | cadmium molecular entity; zinc group element atom | |
| chromium Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 1.94 | 1 | 0 | chromium group element atom; metal allergen | micronutrient |
| curium Curium: A radioactive actinide with atomic symbol Cm, and atomic number 96. Thirteen curium isotopes have been produced with mass numbers ranging from 238-250. Its valence can be +3 or +4. It is intensely radioactive and decays by alpha-emission. | 1.94 | 1 | 0 | actinoid atom; f-block element atom | |
| gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 1.97 | 1 | 0 | copper group element atom; elemental gold | |
| helium Helium: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. | 1.94 | 1 | 0 | monoatomic helium; noble gas atom; s-block element atom | food packaging gas |
| uranium Uranium: A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors. | 9.31 | 144 | 0 | actinoid atom; f-block element atom; monoatomic uranium | |
| zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 1.93 | 1 | 0 | titanium group element atom | |
| californium Californium: A man-made radioactive actinide with atomic symbol Cf, atomic number 98, and atomic weight 251. Its valence can be +2 or +3. Californium has medical use as a radiation source for radiotherapy. | 2.35 | 2 | 0 | actinoid atom; f-block element atom | |
| aluminum chloride Aluminum Chloride: A compound with the chemical formula AlCl3; the anhydrous salt is used as a catalyst in organic chemical synthesis, and hydrated salts are used topically as antiperspirants, and for the management of HYPERHYDROSIS. | 2.06 | 1 | 0 | aluminium coordination entity | Lewis acid |
| perchloric acid [no description available] | 1.93 | 1 | 0 | chlorine oxoacid | |
| zinc sulfate Zinc Sulfate: A compound given in the treatment of conditions associated with zinc deficiency such as acrodermatitis enteropathica. Externally, zinc sulfate is used as an astringent in lotions and eye drops. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1995). zinc sulfate : A metal sulfate compound having zinc(2+) as the counterion. | 1.96 | 1 | 0 | metal sulfate; zinc molecular entity | fertilizer |
| calcium phosphate, dibasic, anhydrous calcium phosphate, dibasic, anhydrous: molecular formula CaHPO(4), DCPA=dicalcium phosphate anhydrous; don't confuse with dichloropropionanilide which also is called DCPA; MW=136.06; has greater surface area and lower pH than DCPD (dicalcium phosphate dihydrate); occurs in nature as monetite; an intermediate in preparing hydroxyapatite | 2.48 | 2 | 0 | calcium phosphate | |
| tricalcium phosphate tricalcium phosphate: a form of tricalcium phosphate used as bioceramic bone replacement material; see also records for alpha-tricalcium phosphate, beta-tricalcium phosphate, calcium phosphate; apatitic tricalcium phosphate Ca9(HPO4)(PO4)5(OH) is the calcium orthophosphate leading to beta tricalcium phosphate Ca3(PO4)2 (b-TCP). calcium phosphate : A calcium salt composed of calcium and phosphate/diphosphate ions; present in milk and used for the mineralisation of calcified tissues. | 2.76 | 3 | 0 | calcium phosphate | |
| chromates Chromates: Salts of chromic acid containing the CrO(2-)4 radical.. chromate(2-) : A chromium oxoanion resulting from the removal of two protons from chromic acid. | 1.94 | 1 | 0 | chromium oxoanion; divalent inorganic anion | oxidising agent |
| calcium sulfate Calcium Sulfate: A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum. | 3.29 | 6 | 0 | calcium salt; inorganic calcium salt | |
| chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 1.95 | 1 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
| radon Radon: A naturally radioactive element with atomic symbol Rn, and atomic number 86. It is a member of the noble gas family found in soil, and is released during the decay of RADIUM.. radon(0) : A monoatomic radon that has an oxidation state of zero. | 10.02 | 177 | 0 | monoatomic radon; noble gas atom; p-block element atom | |
| calcium sulfate dihydrate phosphogypsum: used as fertilizer and in construction materials such as bricks, plaster etc; contains 11 components; found as industrial waste | 3.15 | 5 | 0 | calcium salt; hydrate | |
| fluorides [no description available] | 1.96 | 1 | 0 | halide anion; monoatomic fluorine | |
| daunorubicin Daunorubicin: A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and others, used in treatment of LEUKEMIA and other NEOPLASMS.. anthracycline : Anthracyclines are polyketides that have a tetrahydronaphthacenedione ring structure attached by a glycosidic linkage to the amino sugar daunosamine.. daunorubicin : A natural product found in Actinomadura roseola. | 2.76 | 3 | 0 | aminoglycoside antibiotic; anthracycline; p-quinones; tetracenequinones | antineoplastic agent; bacterial metabolite |
| cetylpyridinium chloride anhydrous tserigel: according to first source contains polyvinylbutyral & cetylpyridinium chloride; UD only lists cetylpyridinium chloride as constituent. cetylpyridinium chloride : A pyridinium salt that has N-hexadecylpyridinium as the cation and chloride as the anion. It has antiseptic properties and is used in solutions or lozenges for the treatment of minor infections of the mouth and throat. | 2.05 | 1 | 0 | chloride salt; organic chloride salt | antiseptic drug; surfactant |
| transferrin Transferrin: An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. | 1.96 | 1 | 0 | ||
| radon [no description available] | 2.91 | 3 | 0 | radon atom | |
| ibacitabine ibacitabine: antiherpetic agent | 1.97 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | |
| delphinidin Paraffin: A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.. delphinidin chloride : An anthocyanidin chloride that has delphinidin as the cationic counterpart. | 1.95 | 1 | 0 | anthocyanidin chloride | |
| tebuconazole Lynx: A genus in the family FELIDAE comprising felines with long legs, ear tufts, and a short tail.. 1-(4-chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl)pentan-3-ol : A tertiary alcohol that is pentan-3-ol substituted by a 4-chlorophenyl, methyl, methyl, and a 1H-1,2,4-triazol-1-ylmethyl at positions 1, 4, 4 and 3 respectively.. tebuconazole : A racemate composed of equimolar amounts of (R)- and (S)-tebuconazole. A fungicide effective against various smut and bunt diseases in cereals and other field crops. | 2.53 | 2 | 0 | monochlorobenzenes; tertiary alcohol; triazoles | |
| nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 7.41 | 2 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug; biomarker; immunomodulator; mitogen; neurotoxin; nicotinic acetylcholine receptor agonist; peripheral nervous system drug; phytogenic insecticide; plant metabolite; psychotropic drug; teratogenic agent; xenobiotic |
| cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 1.93 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
| yttrium radioisotopes Yttrium Radioisotopes: Unstable isotopes of yttrium that decay or disintegrate emitting radiation. Y atoms with atomic weights 82-88 and 90-96 are radioactive yttrium isotopes. | 2.36 | 2 | 0 | ||
| n-(2,3-dimercaptopropyl)phthalamidic acid N-(2,3-dimercaptopropyl)phthalamidic acid: structure given in first source | 7.67 | 3 | 0 | ||
| retinol Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 2.43 | 2 | 0 | retinol; vitamin A | human metabolite; mouse metabolite; plant metabolite |
| cocaine Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 2.36 | 2 | 0 | benzoate ester; methyl ester; tertiary amino compound; tropane alkaloid | adrenergic uptake inhibitor; central nervous system stimulant; dopamine uptake inhibitor; environmental contaminant; local anaesthetic; mouse metabolite; plant metabolite; serotonin uptake inhibitor; sodium channel blocker; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
| bromodeoxycytidine Bromodeoxycytidine: 5-Bromo-2'-deoxycytidine. Can be incorporated into DNA in the presence of DNA polymerase, replacing dCTP. | 1.97 | 1 | 0 | ||
| sodium bicarbonate Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 2.01 | 1 | 0 | one-carbon compound; organic sodium salt | antacid; food anticaking agent |
| nemorosone [no description available] | 2.01 | 1 | 0 | ||
| isomethyleugenol Methylation: Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) | 2.41 | 2 | 0 | isomethyleugenol | |
| stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 1.94 | 1 | 0 | stilbene | |
| dithizone Dithizone: Chelating agent used for heavy metal poisoning and assay. It causes diabetes. | 1.96 | 1 | 0 | ||
| thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.34 | 2 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
| unithiol Unithiol: A chelating agent used as an antidote to heavy metal poisoning. | 3.33 | 7 | 0 | ||
| succimer Succimer: A mercaptodicarboxylic acid used as an antidote to heavy metal poisoning because it forms strong chelates with them.. succimer : A sulfur-containing carboxylic acid that is succinic acid bearing two mercapto substituents at positions 2 and 3. A lead chelator used as an antedote to lead poisoning. | 2.67 | 3 | 0 | dicarboxylic acid; dithiol; sulfur-containing carboxylic acid | chelator |
| lithium Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 2.85 | 4 | 0 | alkali metal atom | |
| cystine [no description available] | 1.94 | 1 | 0 | ||
| calixarenes Calixarenes: Phenolic metacyclophanes derived from condensation of PHENOLS and ALDEHYDES. The name derives from the vase-like molecular structures. A bracketed [n] indicates the number of aromatic rings.. calixarenes : Originally macrocyclic compounds capable of assuming a basket (or "calix") shaped conformation. They are formed from p-hydrocarbyl phenols and formaldehyde. The term now applies to a variety of derivatives by substitution of the hydrocarbon cyclo{oligo[(1,3-phenylene)methylene]}.. calixarene : A macrocycle composed of 1,3-phenylene groups linked by methylene groups. The number of 1,3-phenylene units in the macrocycle is denoted by the "n" in calix[n]arene name. | 2.1 | 1 | 0 | ||
| phenylephrine hydrochloride Nose: A part of the upper respiratory tract. It contains the organ of SMELL. The term includes the external nose, the nasal cavity, and the PARANASAL SINUSES.. phenylephrine hydrochloride : A hydrochloride that is the monohydrochloride salt of phenylephrine. | 1.93 | 1 | 0 | hydrochloride | |
| lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 10.35 | 283 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
| antimony Antimony: A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes. | 2.38 | 2 | 0 | metalloid atom; pnictogen | |
| cesium Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency. | 3.14 | 5 | 0 | alkali metal atom | |
| barium Barium: An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. | 3.73 | 3 | 0 | alkaline earth metal atom; elemental barium | |
| rubidium Rubidium: An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37, and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of photoelectric cells. | 3.73 | 3 | 0 | alkali metal atom | |
| aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.35 | 2 | 0 | boron group element atom; elemental aluminium; metal atom | |
| strontium Strontium: An element of the alkaline earth family of metals. It has the atomic symbol Sr, atomic number 38, and atomic weight 87.62. | 3.08 | 5 | 0 | alkaline earth metal atom | |
| bismuth Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209. | 14.83 | 208 | 0 | metal atom; pnictogen | |
| thallium Thallium: A heavy, bluish white metal, atomic number 81, atomic weight [204.382; 204.385], symbol Tl.. thallium : A metallic element first identified and named from the brilliant green line in its flame spectrum (from Greek thetaalphalambdalambdaomicronsigma, a green shoot). | 2.88 | 4 | 0 | boron group element atom | |
| arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.68 | 3 | 0 | metalloid atom; pnictogen | micronutrient |
| sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2.67 | 3 | 0 | chalcogen; nonmetal atom | macronutrient |
| beryllium Beryllium: An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.. beryllium atom : Alkaline earth metal atom with atomic number 4. | 9.03 | 15 | 0 | alkaline earth metal atom; elemental beryllium; metal allergen | adjuvant; carcinogenic agent; epitope |
| astatine Astatine: Astatine. A radioactive halogen with the atomic symbol At, and atomic number 85. Its isotopes range in mass number from 200 to 219 and all have an extremely short half-life. Astatine may be of use in the treatment of hyperthyroidism because it emits ALPHA PARTICLES. | 7.71 | 3 | 0 | elemental astatine | |
| cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.34 | 2 | 0 | cysteinium | fundamental metabolite |
| silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 2.97 | 4 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
| phosphorus Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 3.15 | 5 | 0 | monoatomic phosphorus; nonmetal atom; pnictogen | macronutrient |
| strontium radioisotopes Strontium Radioisotopes: Unstable isotopes of strontium that decay or disintegrate spontaneously emitting radiation. Sr 80-83, 85, and 89-95 are radioactive strontium isotopes. | 6 | 15 | 0 | ||
| caesium-137 [no description available] | 9.24 | 4 | 0 | caesium atom | |
| germanium Germanium: A rare metal element with a blue-gray appearance and atomic symbol Ge, atomic number 32, and atomic weight 72.63. | 2.4 | 2 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
| selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.65 | 3 | 0 | chalcogen; nonmetal atom | micronutrient |
| tellurium Tellurium: An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression. | 2.03 | 1 | 0 | chalcogen; metalloid atom | |
| radium Radium: A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra and atomic number 88. Radium is the product of the disintegration of URANIUM and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY. | 8.83 | 110 | 0 | alkaline earth metal atom | |
| thorium x thorium X: used in therapy of Bechterew's disease | 1.96 | 1 | 0 | ||
| polonium-210 atom polonium-210 atom : The radioactive isotope of polonium with relative atomic mass 209.98286 and half-life of 138.376 days; the only naturally occurring isotope of polonium. | 8.46 | 66 | 0 | polonium atom | |
| zeolites [no description available] | 2.15 | 1 | 0 | ||
| aluminum oxide Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. | 1.97 | 1 | 0 | ||
| acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.95 | 1 | 0 | ||
| oligonucleotides [no description available] | 2.64 | 3 | 0 | ||
| chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.15 | 1 | 0 | chlorophyll; methyl ester | cofactor |
| oxathiol oxathiol: reagent which complexes with polonium; used to remove absorbed doses of Po-210 in rats; structure | 1.95 | 1 | 0 | ||
| peptones Peptones: Derived proteins or mixtures of cleavage products produced by the partial hydrolysis of a native protein either by an acid or by an enzyme. Peptones are readily soluble in water, and are not precipitable by heat, by alkalis, or by saturation with ammonium sulfate. (Dorland, 28th ed) | 2.01 | 1 | 0 | ||
| ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 7.9 | 4 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
| lead radioisotopes Lead Radioisotopes: Unstable isotopes of lead that decay or disintegrate emitting radiation. Pb atoms with atomic weights 194-203, 205, and 209-214 are radioactive lead isotopes. | 9.29 | 185 | 0 | ||
| bassianolide bassianolide: cyclodepsipeptide from mycelia of Beauveria bassiana; inhibits isotonic contractions induced by acetylcholine. bassianolide : A cyclodepsipeptide consisting of a cyclic tetramer of the depsipeptide D-Hiv-N-methyl-L-leucine (where D-Hiv = D-alpha-hydroxyisovaleric acid). Found in the fungal species Beauveria bassiana and Verticillium lecanii, it has insecticidal properties and is used as a commercial biopesticide to control of insects of agricultural, veterinary and medical significance. For elucidation of the structure, see Suzuki et al., Tetrahedron Lett. 1977 v25, 2167-2170. | 2.63 | 2 | 0 | cyclodepsipeptide; cyclooctadepsipeptide | antineoplastic agent; fungal metabolite; insecticide |
| plutonium dioxide plutonium dioxide: RN given refers to cpd with MF of Pu-O2 | 1.97 | 1 | 0 | ||
| vitamin b 12 Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 2 | 1 | 0 | ||
| exudates Malaysia: A parliamentary democracy with a constitutional monarch in southeast Asia, consisting of 11 states (West Malaysia) on the Malay Peninsula and two states (East Malaysia) on the island of BORNEO. It is also called the Federation of Malaysia. Its capital is Kuala Lumpur. Before 1963 it was the Union of Malaya. It reorganized in 1948 as the Federation of Malaya, becoming independent from British Malaya in 1957 and becoming Malaysia in 1963 as a federation of Malaya, Sabah, Sarawak, and Singapore (which seceded in 1965). The form Malay- probably derives from the Tamil malay, mountain, with reference to its geography. (From Webster's New Geographical Dictionary, 1988, p715 & Room, Brewer's Dictionary of Names, 1992, p329) | 2.99 | 4 | 0 | ||
| trypan blue Trypan Blue: A diazo-naphthalene sulfonate that is widely used as a stain.. trypan blue : An organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). | 1.94 | 1 | 0 | ||
| metallothionein Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 8.8 | 3 | 0 | ||
| phosphorus radioisotopes Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 3.99 | 2 | 0 |
| Condition | Indicated | Relationship Strength | Studies | Trials |
|---|---|---|---|---|
| Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. | 0 | 2.54 | 2 | 0 |
| Bone Cancer [description not available] | 0 | 2.44 | 2 | 0 |
| Bone Neoplasms Tumors or cancer located in bone tissue or specific BONES. | 0 | 2.44 | 2 | 0 |
| Acute Radiation Syndrome A condition caused by a brief whole body exposure to more than one sievert dose equivalent of radiation. Acute radiation syndrome is initially characterized by ANOREXIA; NAUSEA; VOMITING; but can progress to hematological, gastrointestinal, neurological, pulmonary, and other major organ dysfunction. | 0 | 4.09 | 5 | 0 |
| Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) | 0 | 4.05 | 14 | 0 |
| Injuries, Radiation [description not available] | 0 | 5.21 | 51 | 0 |
| Adipocere [description not available] | 0 | 3.82 | 2 | 0 |
| Proteinuria The presence of proteins in the urine, an indicator of KIDNEY DISEASES. | 0 | 2.13 | 1 | 0 |
| Alopecia Cicatrisata [description not available] | 0 | 2.13 | 1 | 0 |
| Altered Level of Consciousness [description not available] | 0 | 2.13 | 1 | 0 |
| Asystole [description not available] | 0 | 2.13 | 1 | 0 |
| MODS [description not available] | 0 | 2.13 | 1 | 0 |
| Acute Hypercapnic Respiratory Failure [description not available] | 0 | 2.13 | 1 | 0 |
| Thrombopenia [description not available] | 0 | 2.13 | 1 | 0 |
| Colicky Pain [description not available] | 0 | 2.13 | 1 | 0 |
| Alopecia Absence of hair from areas where it is normally present. | 0 | 2.13 | 1 | 0 |
| Gastroenteritis INFLAMMATION of any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM. Causes of gastroenteritis are many including genetic, infection, HYPERSENSITIVITY, drug effects, and CANCER. | 0 | 2.13 | 1 | 0 |
| Heart Arrest Cessation of heart beat or MYOCARDIAL CONTRACTION. If it is treated within a few minutes, heart arrest can be reversed in most cases to normal cardiac rhythm and effective circulation. | 0 | 2.13 | 1 | 0 |
| Multiple Organ Failure A progressive condition usually characterized by combined failure of several organs such as the lungs, liver, kidney, along with some clotting mechanisms, usually postinjury or postoperative. | 0 | 2.13 | 1 | 0 |
| Neutropenia A decrease in the number of NEUTROPHILS found in the blood. | 0 | 2.13 | 1 | 0 |
| Poisoning Used with drugs, chemicals, and industrial materials for human or animal poisoning, acute or chronic, whether the poisoning is accidental, occupational, suicidal, by medication error, or by environmental exposure. | 0 | 7.5 | 2 | 0 |
| Respiratory Insufficiency Failure to adequately provide oxygen to cells of the body and to remove excess carbon dioxide from them. (Stedman, 25th ed) | 0 | 2.13 | 1 | 0 |
| Thrombocytopenia A subnormal level of BLOOD PLATELETS. | 0 | 2.13 | 1 | 0 |
| Abdominal Pain Sensation of discomfort, distress, or agony in the abdominal region. | 0 | 2.13 | 1 | 0 |
| Mucositis An INFLAMMATION of the MUCOSA with burning or tingling sensation. It is characterized by atrophy of the squamous EPITHELIUM, vascular damage, inflammatory infiltration, and ulceration. It usually occurs at the mucous lining of the MOUTH, the GASTROINTESTINAL TRACT or the airway due to chemical irritations, CHEMOTHERAPY, or radiation therapy (RADIOTHERAPY). | 0 | 2.13 | 1 | 0 |
| Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. | 0 | 3.8 | 4 | 0 |
| Cancer of Lung [description not available] | 0 | 8.58 | 85 | 0 |
| Cancer, Radiation-Induced [description not available] | 0 | 8.65 | 84 | 0 |
| Lung Neoplasms Tumors or cancer of the LUNG. | 0 | 8.58 | 85 | 0 |
| Benign Neoplasms [description not available] | 0 | 4.74 | 12 | 0 |
| Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. | 0 | 4.74 | 12 | 0 |
| Experimental Neoplasms [description not available] | 0 | 5.12 | 18 | 0 |
| Anemia A reduction in the number of circulating ERYTHROCYTES or in the quantity of HEMOGLOBIN. | 0 | 7.34 | 2 | 0 |
| Erythema Redness of the skin produced by congestion of the capillaries. This condition may result from a variety of disease processes. | 0 | 6.93 | 1 | 0 |
| Experimental Radiation Injuries [description not available] | 0 | 6.07 | 49 | 0 |
| Metastase [description not available] | 0 | 2.35 | 2 | 0 |
| Sarcoma, Epithelioid [description not available] | 0 | 1.93 | 1 | 0 |
| EHS Tumor [description not available] | 0 | 2.35 | 2 | 0 |
| Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. | 0 | 2.35 | 2 | 0 |
| Sarcoma A connective tissue neoplasm formed by proliferation of mesodermal cells; it is usually highly malignant. | 0 | 1.93 | 1 | 0 |
| Enteric Fever [description not available] | 0 | 1.93 | 1 | 0 |
| Typhoid Fever An acute systemic febrile infection caused by SALMONELLA TYPHI, a serotype of SALMONELLA ENTERICA. | 0 | 1.93 | 1 | 0 |
| Anoxemia [description not available] | 0 | 1.94 | 1 | 0 |
| Hypoxia Sub-optimal OXYGEN levels in the ambient air of living organisms. | 0 | 1.94 | 1 | 0 |
| Coronary Heart Disease [description not available] | 0 | 1.93 | 1 | 0 |
| Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. | 0 | 1.93 | 1 | 0 |
| Cancer of Gastrointestinal Tract [description not available] | 0 | 1.94 | 1 | 0 |
| Abnormalities, Congenital [description not available] | 0 | 1.94 | 1 | 0 |
| 47,XX,+21 [description not available] | 0 | 1.94 | 1 | 0 |
| Fetal Death Death of the developing young in utero. BIRTH of a dead FETUS is STILLBIRTH. | 0 | 1.94 | 1 | 0 |
| Down Syndrome A chromosome disorder associated either with an extra chromosome 21 or an effective trisomy for chromosome 21. Clinical manifestations include hypotonia, short stature, brachycephaly, upslanting palpebral fissures, epicanthus, Brushfield spots on the iris, protruding tongue, small ears, short, broad hands, fifth finger clinodactyly, Simian crease, and moderate to severe INTELLECTUAL DISABILITY. Cardiac and gastrointestinal malformations, a marked increase in the incidence of LEUKEMIA, and the early onset of ALZHEIMER DISEASE are also associated with this condition. Pathologic features include the development of NEUROFIBRILLARY TANGLES in neurons and the deposition of AMYLOID BETA-PROTEIN, similar to the pathology of ALZHEIMER DISEASE. (Menkes, Textbook of Child Neurology, 5th ed, p213) | 0 | 1.94 | 1 | 0 |
| Blood Diseases [description not available] | 0 | 1.94 | 1 | 0 |
| Hematologic Diseases Disorders of the blood and blood forming tissues. | 0 | 1.94 | 1 | 0 |
| Infection [description not available] | 0 | 1.94 | 1 | 0 |
| Infections Invasion of the host organism by microorganisms or their toxins or by parasites that can cause pathological conditions or diseases. | 0 | 1.94 | 1 | 0 |
| Cataract, Membranous [description not available] | 0 | 1.94 | 1 | 0 |
| Blood Pressure, High [description not available] | 0 | 1.94 | 1 | 0 |
| Incontinentia Pigmenti Achromians [description not available] | 0 | 1.94 | 1 | 0 |
| Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. | 0 | 2.36 | 2 | 0 |
| Cataract Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed) | 0 | 1.94 | 1 | 0 |
| Hypertension Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more. | 0 | 1.94 | 1 | 0 |
| Nephrosclerosis Hardening of the KIDNEY due to infiltration by fibrous connective tissue (FIBROSIS), usually caused by renovascular diseases or chronic HYPERTENSION. Nephrosclerosis leads to renal ISCHEMIA. | 0 | 1.94 | 1 | 0 |
| Neoplasms, Bronchial [description not available] | 0 | 4.11 | 6 | 0 |
| Carcinoma, Bronchial [description not available] | 0 | 3.97 | 5 | 0 |
| Bronchial Neoplasms Tumors or cancer of the BRONCHI. | 0 | 4.11 | 6 | 0 |
| Carcinoma, Bronchogenic Malignant neoplasm arising from the epithelium of the BRONCHI. It represents a large group of epithelial lung malignancies which can be divided into two clinical groups: SMALL CELL LUNG CANCER and NON-SMALL-CELL LUNG CARCINOMA. | 0 | 3.97 | 5 | 0 |
| Schistosoma mansoni Infection [description not available] | 0 | 6.92 | 1 | 0 |
| Schistosomiasis mansoni Schistosomiasis caused by Schistosoma mansoni. It is endemic in Africa, the Middle East, South America, and the Caribbean and affects mainly the bowel, spleen, and liver. | 0 | 1.92 | 1 | 0 |
| Diseases, Occupational [description not available] | 0 | 5.79 | 22 | 0 |
| Anxiety Feelings or emotions of dread, apprehension, and impending disaster but not disabling as with ANXIETY DISORDERS. | 0 | 2.03 | 1 | 0 |
| Carcinoma, Epidermoid [description not available] | 0 | 3.83 | 12 | 0 |
| Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) | 0 | 3.83 | 12 | 0 |
| Carcinoma, Oat Cell [description not available] | 0 | 2.37 | 2 | 0 |
| Carcinoma, Small Cell An anaplastic, highly malignant, and usually bronchogenic carcinoma composed of small ovoid cells with scanty neoplasm. It is characterized by a dominant, deeply basophilic nucleus, and absent or indistinct nucleoli. (From Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1286-7) | 0 | 2.37 | 2 | 0 |
| Bagassosis A diffuse parenchymal lung disease caused by inhaled dust from processing SUGARCANE (bagasse), usually in the manufacturing of wallboard. | 0 | 1.96 | 1 | 0 |
| Pneumoconiosis A diffuse parenchymal lung disease caused by inhalation of dust and by tissue reaction to their presence. These inorganic, organic, particulate, or vaporized matters usually are inhaled by workers in their occupational environment, leading to the various forms (ASBESTOSIS; BYSSINOSIS; and others). Similar air pollution can also have deleterious effects on the general population. | 0 | 1.96 | 1 | 0 |
| Cocarcinogenesis The combination of two or more different factors in the production of cancer. | 0 | 3.79 | 4 | 0 |
| Osteogenic Sarcoma [description not available] | 0 | 2.88 | 1 | 0 |
| Experimental Mammary Neoplasms [description not available] | 0 | 3.56 | 3 | 0 |
| Respiratory Tract Neoplasms New abnormal growth of tissue in the RESPIRATORY SYSTEM. | 0 | 3.27 | 2 | 0 |
| Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. | 0 | 4.12 | 6 | 0 |
| Osteosarcoma A sarcoma originating in bone-forming cells, affecting the ends of long bones. It is the most common and most malignant of sarcomas of the bones, and occurs chiefly among 10- to 25-year-old youths. (From Stedman, 25th ed) | 0 | 2.88 | 1 | 0 |
| Hyperplasia An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells. | 0 | 3.05 | 5 | 0 |
| Burns, Chemical Burns caused by contact with or exposure to CAUSTICS or strong ACIDS. | 0 | 1.96 | 1 | 0 |
| Burns Injuries to tissues caused by contact with heat, steam, chemicals (BURNS, CHEMICAL), electricity (BURNS, ELECTRIC), or the like. | 0 | 2.36 | 2 | 0 |
| Adenocarcinoma, Basal Cell [description not available] | 0 | 3.65 | 10 | 0 |
| Alveolitis, Fibrosing [description not available] | 0 | 2.35 | 2 | 0 |
| Adenocarcinoma, Papillary An adenocarcinoma containing finger-like processes of vascular connective tissue covered by neoplastic epithelium, projecting into cysts or the cavity of glands or follicles. It occurs most frequently in the ovary and thyroid gland. (Stedman, 25th ed) | 0 | 1.95 | 1 | 0 |
| Adenocarcinoma A malignant epithelial tumor with a glandular organization. | 0 | 3.65 | 10 | 0 |
| Pulmonary Fibrosis A process in which normal lung tissues are progressively replaced by FIBROBLASTS and COLLAGEN causing an irreversible loss of the ability to transfer oxygen into the bloodstream via PULMONARY ALVEOLI. Patients show progressive DYSPNEA finally resulting in death. | 0 | 2.35 | 2 | 0 |
| Injuries Used with anatomic headings, animals, and sports for wounds and injuries. Excludes cell damage, for which pathology is used. | 0 | 2.37 | 2 | 0 |
| Wounds and Injuries Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity. | 0 | 2.37 | 2 | 0 |
| Cell Transformation, Neoplastic Cell changes manifested by escape from control mechanisms, increased growth potential, alterations in the cell surface, karyotypic abnormalities, morphological and biochemical deviations from the norm, and other attributes conferring the ability to invade, metastasize, and kill. | 0 | 4.14 | 6 | 0 |
| Cell Transformation, Viral An inheritable change in cells manifested by changes in cell division and growth and alterations in cell surface properties. It is induced by infection with a transforming virus. | 0 | 1.98 | 1 | 0 |
| Condition, Preneoplastic [description not available] | 0 | 2.37 | 2 | 0 |
| Tracheal Neoplasms New abnormal growth of tissue in the TRACHEA. | 0 | 2.65 | 3 | 0 |
| Precancerous Conditions Pathological conditions that tend eventually to become malignant. | 0 | 2.37 | 2 | 0 |
| Leukemia, Radiation-Induced Leukemia produced by exposure to IONIZING RADIATION or NON-IONIZING RADIATION. | 0 | 3.6 | 3 | 0 |
| Acute Confusional Senile Dementia [description not available] | 0 | 2 | 1 | 0 |
| Idiopathic Parkinson Disease [description not available] | 0 | 2 | 1 | 0 |
| Alzheimer Disease A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57) | 0 | 2 | 1 | 0 |
| Parkinson Disease A progressive, degenerative neurologic disease characterized by a TREMOR that is maximal at rest, retropulsion (i.e. a tendency to fall backwards), rigidity, stooped posture, slowness of voluntary movements, and a masklike facial expression. Pathologic features include loss of melanin containing neurons in the substantia nigra and other pigmented nuclei of the brainstem. LEWY BODIES are present in the substantia nigra and locus coeruleus but may also be found in a related condition (LEWY BODY DISEASE, DIFFUSE) characterized by dementia in combination with varying degrees of parkinsonism. (Adams et al., Principles of Neurology, 6th ed, p1059, pp1067-75) | 0 | 2 | 1 | 0 |
| Wounds, Penetrating Wounds caused by objects penetrating the skin. | 0 | 1.95 | 1 | 0 |
| Carcinoma, Anaplastic [description not available] | 0 | 2.35 | 2 | 0 |
| Germinoblastoma [description not available] | 0 | 1.95 | 1 | 0 |
| Carcinoma A malignant neoplasm made up of epithelial cells tending to infiltrate the surrounding tissues and give rise to metastases. It is a histological type of neoplasm and not a synonym for cancer. | 0 | 2.35 | 2 | 0 |
| Lymphoma A general term for various neoplastic diseases of the lymphoid tissue. | 0 | 1.95 | 1 | 0 |
| Abnormalities, Autosome [description not available] | 0 | 3.55 | 3 | 0 |
| Cancer of Skin [description not available] | 0 | 3.78 | 4 | 0 |
| Skin Neoplasms Tumors or cancer of the SKIN. | 0 | 3.78 | 4 | 0 |
| Acute Lymphoid Leukemia [description not available] | 0 | 2.89 | 1 | 0 |
| Granulocytic Leukemia [description not available] | 0 | 2.89 | 1 | 0 |
| Leukemia, Myeloid Form of leukemia characterized by an uncontrolled proliferation of the myeloid lineage and their precursors (MYELOID PROGENITOR CELLS) in the bone marrow and other sites. | 0 | 2.89 | 1 | 0 |
| Precursor Cell Lymphoblastic Leukemia-Lymphoma A neoplasm characterized by abnormalities of the lymphoid cell precursors leading to excessive lymphoblasts in the marrow and other organs. It is the most common cancer in children and accounts for the vast majority of all childhood leukemias. | 0 | 2.89 | 1 | 0 |
| Kidney Diseases Pathological processes of the KIDNEY or its component tissues. | 0 | 2.36 | 2 | 0 |
| Diathesis [description not available] | 0 | 1.97 | 1 | 0 |
| Respiratory Tract Diseases Diseases involving the RESPIRATORY SYSTEM. | 0 | 1.97 | 1 | 0 |
| Poisoning, Lead [description not available] | 0 | 2.64 | 3 | 0 |
| Lead Poisoning Poisoning that results from chronic or acute ingestion, injection, inhalation, or skin absorption of LEAD or lead compounds. | 0 | 2.64 | 3 | 0 |
| Cancer of Mouth [description not available] | 0 | 1.96 | 1 | 0 |
| Cancer of Pharynx [description not available] | 0 | 1.96 | 1 | 0 |
| Mouth Neoplasms Tumors or cancer of the MOUTH. | 0 | 1.96 | 1 | 0 |
| Pharyngeal Neoplasms Tumors or cancer of the PHARYNX. | 0 | 1.96 | 1 | 0 |
| Sclerosis A pathological process consisting of hardening or fibrosis of an anatomical structure, often a vessel or a nerve. | 0 | 1.95 | 1 | 0 |
| Atrophy Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes. | 0 | 1.95 | 1 | 0 |
| Intestinal Polyps Discrete abnormal tissue masses that protrude into the lumen of the INTESTINE. A polyp is attached to the intestinal wall either by a stalk, pedunculus, or by a broad base. | 0 | 2.35 | 2 | 0 |
| Papilloma, Squamous Cell [description not available] | 0 | 2.35 | 2 | 0 |
| Papilloma A circumscribed benign epithelial tumor projecting from the surrounding surface; more precisely, a benign epithelial neoplasm consisting of villous or arborescent outgrowths of fibrovascular stroma covered by neoplastic cells. (Stedman, 25th ed) | 0 | 2.35 | 2 | 0 |
| Chronic Lung Injury [description not available] | 0 | 1.95 | 1 | 0 |
| Adrenal Cancer [description not available] | 0 | 2.35 | 2 | 0 |
| Bladder Cancer [description not available] | 0 | 2.35 | 2 | 0 |
| Cancer of Kidney [description not available] | 0 | 2.35 | 2 | 0 |
| Cancer of Liver [description not available] | 0 | 2.35 | 2 | 0 |
| Cancer of Pancreas [description not available] | 0 | 2.35 | 2 | 0 |
| Cancer of Testis [description not available] | 0 | 1.95 | 1 | 0 |
| Cancer of the Thyroid [description not available] | 0 | 2.35 | 2 | 0 |
| Urinary Bladder Neoplasms Tumors or cancer of the URINARY BLADDER. | 0 | 2.35 | 2 | 0 |
| Kidney Neoplasms Tumors or cancers of the KIDNEY. | 0 | 2.35 | 2 | 0 |
| Liver Neoplasms Tumors or cancer of the LIVER. | 0 | 2.35 | 2 | 0 |
| Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA). | 0 | 2.35 | 2 | 0 |
| Testicular Neoplasms Tumors or cancer of the TESTIS. Germ cell tumors (GERMINOMA) of the testis constitute 95% of all testicular neoplasms. | 0 | 1.95 | 1 | 0 |
| Thyroid Neoplasms Tumors or cancer of the THYROID GLAND. | 0 | 2.35 | 2 | 0 |
| Infectious Diseases [description not available] | 0 | 2.86 | 1 | 0 |
| Communicable Diseases An illness caused by an infectious agent or its toxins that occurs through the direct or indirect transmission of the infectious agent or its products from an infected individual or via an animal, vector or the inanimate environment to a susceptible animal or human host. | 0 | 2.86 | 1 | 0 |
| Fibrosarcoma A sarcoma derived from deep fibrous tissue, characterized by bundles of immature proliferating fibroblasts with variable collagen formation, which tends to invade locally and metastasize by the bloodstream. (Stedman, 25th ed) | 0 | 1.94 | 1 | 0 |
| Great Pox [description not available] | 0 | 1.94 | 1 | 0 |
| Syphilis A contagious venereal disease caused by the spirochete TREPONEMA PALLIDUM. | 0 | 1.94 | 1 | 0 |
| Cancer of Cervix [description not available] | 0 | 2.86 | 1 | 0 |
| Cancer of Larynx [description not available] | 0 | 2.86 | 1 | 0 |
| Polyploid [description not available] | 0 | 2.86 | 1 | 0 |
| Cancer of the Uterus [description not available] | 0 | 2.86 | 1 | 0 |
| Uterine Cervical Neoplasms Tumors or cancer of the UTERINE CERVIX. | 0 | 2.86 | 1 | 0 |
| Laryngeal Neoplasms Cancers or tumors of the LARYNX or any of its parts: the GLOTTIS; EPIGLOTTIS; LARYNGEAL CARTILAGES; LARYNGEAL MUSCLES; and VOCAL CORDS. | 0 | 2.86 | 1 | 0 |
| Uterine Neoplasms Tumors or cancer of the UTERUS. | 0 | 2.86 | 1 | 0 |
| Intestinal Diseases Pathological processes in any segment of the INTESTINE from DUODENUM to RECTUM. | 0 | 1.94 | 1 | 0 |
| Adenoma, Basal Cell [description not available] | 0 | 1.94 | 1 | 0 |
| Cancer of Ovary [description not available] | 0 | 1.94 | 1 | 0 |
| Cancer of Parathyroid [description not available] | 0 | 1.94 | 1 | 0 |
| Adenoma A benign epithelial tumor with a glandular organization. | 0 | 1.94 | 1 | 0 |
| Ovarian Neoplasms Tumors or cancer of the OVARY. These neoplasms can be benign or malignant. They are classified according to the tissue of origin, such as the surface EPITHELIUM, the stromal endocrine cells, and the totipotent GERM CELLS. | 0 | 1.94 | 1 | 0 |
| Parathyroid Neoplasms Tumors or cancer of the PARATHYROID GLANDS. | 0 | 1.94 | 1 | 0 |
| Centriacinar Emphysema [description not available] | 0 | 1.94 | 1 | 0 |
| Cardiovascular Diseases Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM. | 0 | 1.94 | 1 | 0 |
| Chronic Illness [description not available] | 0 | 1.94 | 1 | 0 |
| Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). | 0 | 1.94 | 1 | 0 |