atropine has been researched along with enkephalin, methionine in 45 studies
| Studies (atropine) | Trials (atropine) | Recent Studies (post-2010) (atropine) | Studies (enkephalin, methionine) | Trials (enkephalin, methionine) | Recent Studies (post-2010) (enkephalin, methionine) |
|---|---|---|---|---|---|
| 26,711 | 1,259 | 1,697 | 4,439 | 45 | 225 |
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 35 (77.78) | 18.7374 |
| 1990's | 10 (22.22) | 18.2507 |
| 2000's | 0 (0.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Gintzler, AR; Xu, H | 1 |
| Carpenter, DO; Hori, N | 1 |
| Beinfeld, M; Chen, JM; Dykes, DC; Gibbs, J; Murphy, RB; Pincus, MR; Schneider, LH; Smith, GP | 1 |
| Koelbel, CB; Leduc, L; Mayer, EA; Snape, WJ; Vandeventer, G | 1 |
| Christofi, FL; Cook, MA; McDonald, TJ | 1 |
| Chang, PL; Dixon, WR | 1 |
| Illing, RB; Nikolarakis, KE; Spatz, WB; Starke, K; Wichmann, T | 1 |
| Töröcsik, A; Vizi, ES | 1 |
| Davidoff, M; Pencheva, N; Radomirov, R; Venkova, K | 1 |
| Chahl, LA | 1 |
| Hellström, PM | 1 |
| Chorev, M; Friedman, ZY; Gilon, C; Laufer, R; Selinger, Z; Wormser, U | 1 |
| Daniel, EE; Fox, JE | 1 |
| Nishi, R; Willard, AL | 1 |
| Furuhashi, H; Kimura, A; Kitazawa, T; Kondo, H; Temma, K | 1 |
| Furuhashi, H; Ishigami, M; Kitazawa, T; Kondo, H; Kudo, K; Temma, K | 1 |
| Daniel, EE; Fox, JE; Kostolanska, F; Manaka, H; Manaka, Y | 1 |
| Bitar, KN; Makhlouf, GM | 1 |
| Bogaert, MG; De Schaepdryver, AF; Lefebvre, RA | 1 |
| Hoshi, T; Kitazawa, T; Kondo, H; Temma, K | 1 |
| Ferry, DA; Lewis, AB; Sadeghi, M | 1 |
| Hexum, TD; Majane, EA; Russett, LR; Yang, HY | 1 |
| Beleslin, DB; Samardzić, R; Terzić, B | 1 |
| Grishina, OIu; Ovsiannikov, VI | 1 |
| Haddad, GG; Jeng, HJ; Lai, TL | 1 |
| Amann, R; Barthó, L; Lembeck, F; Saria, A; Szolcsányi, J | 1 |
| Mizutani, M; Nakayama, S; Neya, T | 1 |
| Ewen, M; Gregor, L; Saunders, WS; Thornhill, JA; Wilfong, AA | 1 |
| Matsuda, T; Mori, M; Tsushima, H | 1 |
| Barron, BA; Hexum, TD | 1 |
| Bruni, P; Hewlett, EL; Moss, J | 1 |
| Kitabgi, P; Monier, S | 1 |
| Brown, JC; Buchan, AM; Kwok, YN; McIntosh, CH; Pederson, RA | 1 |
| Barthó, L; Holzer, P; Lembeck, F; Lippe, IT | 1 |
| Hellström, PM; Jodal, M; Lundgren, O; Sjöqvist, A | 1 |
| Grace, M; Kneip, J; Levine, AS; Morley, JE; Murray, SS | 1 |
| Dünzen, RG; Wienbeck, M | 1 |
| Casanueva, F; Cavagnini, F; Gomez-Pan, A; Müller, EE; Peñalva, A; Villanueva, L | 1 |
| Eulie, PJ; Rhee, HM | 1 |
| Behar, J; Biancani, P | 1 |
| Hotta, K; Matsuda, T; Yamamoto, Y | 1 |
| Adam-Vizi, V; Duncalf, D; Földes, FF; Ono, K; Vizi, ES | 1 |
| Betti, R; Casanueva, F; Cocchi, D; Frigerio, C; Mantegazza, P; Müller, EE | 1 |
| Jones, CA; Marchbanks, RM | 1 |
| Champion, HC; Kadowitz, PJ; Pierce, RL | 1 |
45 other study(ies) available for atropine and enkephalin, methionine
| Article | Year |
|---|---|
Opioid enhancement of evoked [Met5]enkephalin release requires activation of cholinergic receptors: possible involvement of intracellular calcium.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Animals; Atropine; Calcimycin; Calcium; Colforsin; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Methionine; Enkephalins; Evoked Potentials; Fentanyl; Guinea Pigs; Hexamethonium Compounds; In Vitro Techniques; Myenteric Plexus; Naloxone; Pyrrolidines; Receptors, Muscarinic; Receptors, Opioid; Sufentanil | 1992 |
Neurotransmitter and peptide receptors on medial vestibular nucleus neurons.
Topics: Acetylcholine; Afferent Pathways; Amino Acids; Animals; Atropine; Brain Stem; Curare; Enkephalin, Methionine; gamma-Aminobutyric Acid; In Vitro Techniques; Male; Morphine; N-Methylaspartate; Neurons; Neurotransmitter Agents; Rats; Receptors, Neurotransmitter; Vestibular Nuclei | 1992 |
Enkephalin is a competitive antagonist of cholecystokinin in the gastrointestinal tract, as predicted from prior conformational analysis.
Topics: Amino Acid Sequence; Animals; Atropine; Binding, Competitive; Cholecystokinin; Computer Simulation; Digestive System; Digestive System Physiological Phenomena; Enkephalin, Methionine; Male; Models, Molecular; Molecular Sequence Data; Molecular Structure; Muscle Contraction; Naloxone; Protein Conformation; Pylorus; Rats; Rats, Sprague-Dawley; Sincalide | 1992 |
Neurokinin inhibition of cholinergic myenteric neurons in canine antrum.
Topics: Acetylcholine; Animals; Atropine; Dinoprostone; Dogs; Electric Stimulation; Enkephalin, Methionine; Female; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Indomethacin; Male; Muscle, Smooth; Myenteric Plexus; Naloxone; Neurokinin A; Neurons; Nifedipine; Phentolamine; Propranolol; Pyloric Antrum; Substance P; Tetrodotoxin; Vasoactive Intestinal Peptide | 1990 |
Neuropeptide release from isolated myenteric nerve endings derived from the guinea pig myenteric plexus.
Topics: Animals; Atropine; Enkephalin, Leucine; Enkephalin, Methionine; Guinea Pigs; Ileum; In Vitro Techniques; Myenteric Plexus; Naloxone; Nerve Endings; Neurokinin A; Neuropeptides; Substance P; Xanthines | 1990 |
Changes in cardiovascular responses of conscious rats to endogenous opioids following treatment with catecholamine-depleting agents.
Topics: Animals; Atropine; Blood Pressure; Cardiovascular Physiological Phenomena; Catecholamines; Dynorphins; Endorphins; Enkephalin, Methionine; Heart Rate; Hydroxydopamines; Male; Motor Activity; Naloxone; Narcotics; Neurotoxins; Oxidopamine; Peptide Fragments; Rats; Rats, Inbred Strains; Reserpine; Verapamil | 1990 |
Release of met-enkephalin and its modulation through acetylcholine receptors in the rabbit superior colliculus.
Topics: Animals; Atropine; Enkephalin, Methionine; Female; Hexamethonium; Hexamethonium Compounds; Kinetics; Male; Potassium; Rabbits; Radioimmunoassay; Receptors, Cholinergic; Superior Colliculi | 1990 |
4-Aminopyridine interrupts the modulation of acetylcholine release mediated by muscarinic and opiate receptors.
Topics: 4-Aminopyridine; Acetylcholine; Animals; Atropine; Brain; Electric Stimulation; Enkephalin, Methionine; In Vitro Techniques; Male; Oxotremorine; Physostigmine; Potassium; Rats; Rats, Inbred Strains; Receptors, Muscarinic; Receptors, Opioid | 1990 |
Effects of (MET-5) enkephalin on the electrically-evoked mechanical responses in longitudinal and circular strips of the cat terminal ileum.
Topics: Acetylcholine; Animals; Atropine; Biomechanical Phenomena; Cats; Electric Stimulation; Enkephalin, Methionine; Guanethidine; Ileum; Immunoenzyme Techniques; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Naloxone; Norepinephrine | 1990 |
The properties of the clonidine withdrawal response of guinea-pig isolated ileum.
Topics: Animals; Atropine; Clonidine; Drug Interactions; Enkephalin, Methionine; Guinea Pigs; Humans; Ileum; In Vitro Techniques; Muscle Contraction; Norepinephrine; Phentolamine; Substance P; Substance Withdrawal Syndrome; Yohimbine | 1985 |
Pharmacological analysis of the mechanism of action for colonic contraction induced by neurotensin, substance P and methionine-enkephalin.
Topics: Animals; Atropine; Cats; Colon; Enkephalin, Methionine; Gastrointestinal Motility; Guanethidine; Hexamethonium; Hexamethonium Compounds; Neurotensin; Phentolamine; Propranolol; Somatostatin; Substance P; Tetrodotoxin | 1985 |
Neurokinin B is a preferred agonist for a neuronal substance P receptor and its action is antagonized by enkephalin.
Topics: Animals; Atropine; Enkephalin, Methionine; Guinea Pigs; Ileum; Muscle Contraction; Muscle, Smooth; Naloxone; Nerve Tissue Proteins; Neurokinin A; Neurokinin B; Neurons; Neurotransmitter Agents; Oligopeptides; Peptide Fragments; Receptors, Muscarinic; Receptors, Neurokinin-1; Receptors, Neurotransmitter; Substance P; Substrate Specificity; Tachykinins | 1985 |
Substance P: a potent inhibitor of the canine small intestine in vivo.
Topics: Acetylcholine; Animals; Atropine; Benzodiazepinones; Dogs; Dose-Response Relationship, Drug; Enkephalin, Methionine; Female; Gastrointestinal Motility; Hexamethonium Compounds; Intestine, Small; Male; Motilin; Muscle Contraction; Naloxone; Narcotics; Norepinephrine; Pirenzepine; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Receptors, Nicotinic; Receptors, Opioid; Reserpine; Substance P; Tetrodotoxin | 1986 |
Neurons dissociated from rat myenteric plexus retain differentiated properties when grown in cell culture. II. Electrophysiological properties and responses to neurotransmitter candidates.
Topics: Acetylcholine; Action Potentials; Animals; Atropine; Cell Differentiation; Cell Separation; Cells, Cultured; Enkephalin, Methionine; Myenteric Plexus; Neurons; Neurotransmitter Agents; Rats; Rats, Inbred Strains; Serotonin; Substance P; Time Factors; Vasoactive Intestinal Peptide | 1985 |
Contractile response to substance P in isolated smooth muscle strips from the intestinal bulb of the carp (Cyprinus carpio).
Topics: Acetylcholine; Animals; Atropine; Carps; Cyprinidae; Eledoisin; Enkephalin, Methionine; Female; Gastrointestinal Motility; Guinea Pigs; In Vitro Techniques; Intestines; Male; Methysergide; Muscle Contraction; Muscle, Smooth; Physalaemin; Potassium Chloride; Substance P; Tetrodotoxin | 1988 |
Evidence that a substance P-like peptide mediates the non-cholinergic excitatory response of the carp intestinal bulb (Cyprinus carpio).
Topics: Acetylcholine; Adenosine Triphosphate; Animals; Atropine; Carps; Cyprinidae; Electric Stimulation; Enkephalin, Methionine; Female; In Vitro Techniques; Intestines; Isometric Contraction; Male; Substance P; Sympathetic Nervous System; Tissue Extracts | 1988 |
Release of VIP and substance P from isolated perfused canine ileum.
Topics: Animals; Atropine; Chromatography, Gel; Chromatography, High Pressure Liquid; Dogs; Dynorphins; Electric Stimulation; Enkephalin, Methionine; Female; Hexamethonium; Hexamethonium Compounds; Ileum; In Vitro Techniques; Kinetics; Male; Peptide Fragments; Perfusion; Radioimmunoassay; Substance P; Tetrodotoxin; Vasoactive Intestinal Peptide | 1989 |
Selective presence of opiate receptors on intestinal circular muscle cells.
Topics: Acetylcholine; Animals; Atropine; Benzomorphans; beta-Endorphin; Dose-Response Relationship, Drug; Dynorphins; Endorphins; Enkephalin, Leucine; Enkephalin, Methionine; Guinea Pigs; Humans; Jejunum; Muscle Contraction; Muscle, Smooth; Naloxone; Peptide Fragments; Proglumide; Receptors, Opioid; Sincalide | 1985 |
In-vitro study of the enkephalinergic hypothesis for non-adrenergic, non-cholinergic innervation in the cat stomach.
Topics: Animals; Atropine; Cats; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Female; Gastrointestinal Motility; In Vitro Techniques; Male; Morphine; Naloxone; Neurotransmitter Agents; Serotonin; Stomach; Synaptic Transmission | 1986 |
Effects of morphine and methionine-enkephalin on the smooth muscle tonus and the contraction induced by transmural stimulation in the carp (Cyprinus carpio) intestinal bulb.
Topics: Acetylcholine; Animals; Atropine; Carps; Diphenhydramine; Electric Stimulation; Enkephalin, Methionine; Female; Hexamethonium; Hexamethonium Compounds; Intestines; Isometric Contraction; Male; Morphine; Muscle Contraction; Muscle Tonus; Naloxone; Tetrodotoxin | 1986 |
Fetal cardiovascular and breathing movement responses to endogenous opiates.
Topics: Animals; Atropine; beta-Endorphin; Cardiovascular System; Endorphins; Enkephalin, Methionine; Female; Fetal Heart; Fetus; Heart Rate; Hexamethonium; Hexamethonium Compounds; Naloxone; Pregnancy; Respiration; Sheep | 1986 |
Neuropeptide Y release from the adrenal medulla after cholinergic receptor stimulation.
Topics: Acetylcholine; Adrenal Medulla; Animals; Atropine; Catecholamines; Cattle; Dimethylphenylpiperazinium Iodide; Enkephalin, Methionine; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Neuropeptide Y; Receptors, Cholinergic | 1987 |
[Inhibitory and excitatory effects of methionine-enkephalin in the isolated rabbit ileum].
Topics: Acetylcholine; Animals; Atropine; Enkephalin, Methionine; Female; Ileum; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Naloxone; Peristalsis; Rabbits | 1987 |
[Initiating and modulating effects of met-enkephalin in the appearance of contractile reactions of the jejunum and ileum].
Topics: Acetylcholine; Animals; Atropine; Cats; Drug Interactions; Electric Stimulation; Enkephalin, Methionine; Hexamethonium Compounds; Ileum; In Vitro Techniques; Jejunum; Muscle Contraction; Receptors, Muscarinic; Receptors, Nicotinic; Serotonin | 1988 |
Effect of endorphins on heart rate and blood pressure in adult dogs.
Topics: Animals; Atropine; Blood Pressure; Consciousness; Dogs; Endorphins; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalin, Methionine; Heart; Heart Rate; Naloxone; Naltrexone | 1986 |
Peripheral effects of opioid drugs on capsaicin-sensitive neurones of the guinea-pig bronchus and rabbit ear.
Topics: Acetylcholine; Animals; Atropine; Blood Pressure; Bronchi; Capsaicin; Ear, External; Enkephalin, Methionine; Female; Fentanyl; Guinea Pigs; In Vitro Techniques; Male; Muscle Contraction; Narcotics; Neurons; Pain; Rabbits | 1987 |
Enteric opioid neurons modulate the basal tone of the isolated puppy ileum.
Topics: Animals; Atropine; Dogs; Endorphins; Enkephalin, Methionine; Female; Gastrointestinal Motility; Ileum; In Vitro Techniques; Male; Muscle Contraction; Muscle Tonus; Muscle, Smooth; Naloxone; Neurons; Tetrodotoxin | 1987 |
Pressor effects of systemic administration of methionine and leucine enkephalin in the conscious rat.
Topics: Animals; Atropine; Blood Pressure; Diprenorphine; Enkephalin, Leucine; Enkephalin, Methionine; Epinephrine; Guanethidine; Heart Rate; Naloxone; Norepinephrine; Phentolamine; Propranolol; Rats | 1986 |
Antidiuretic effects of methionine-enkephalin and 2-D-alanine-5-methionine-enkephalinamide microinjected into the hypothalamic supraoptic and paraventricular nuclei in a water-loaded and ethanol-anesthetized rat.
Topics: Anesthesia; Animals; Atropine; Diuresis; Dose-Response Relationship, Drug; Enkephalin, Methionine; Ethanol; Male; Microinjections; Naloxone; Osmotic Pressure; Paraventricular Hypothalamic Nucleus; Phenoxybenzamine; Rats; Rats, Inbred Strains; Supraoptic Nucleus; Viscera | 1986 |
Muscarinic receptor modulation of release of [Met5]enkephalin immunoreactive material and catecholamines from the bovine adrenal gland.
Topics: Acetylcholine; Adrenal Glands; Animals; Atropine; Catecholamines; Cattle; Dimethylphenylpiperazinium Iodide; Enkephalin, Methionine; In Vitro Techniques; Methacholine Compounds; Physostigmine; Pilocarpine; Receptors, Muscarinic | 1986 |
Effects of pertussis toxin-catalyzed ADP-ribosylation on interactions of transducin and the inhibitory GTP-binding protein of adenylate cyclase with guanyl nucleotides.
Topics: Adenosine Diphosphate Ribose; Adenylate Cyclase Toxin; Adenylyl Cyclase Inhibitors; Animals; Atropine; Bacterial Toxins; Carbachol; Cell Line; Cell Membrane; Enkephalin, Methionine; GTP-Binding Proteins; Guanosine Triphosphate; Guanylyl Imidodiphosphate; Membrane Proteins; Naloxone; Norepinephrine; Nucleoside Diphosphate Sugars; Pertussis Toxin; Phentolamine; Transducin; Virulence Factors, Bordetella | 1985 |
Effects of beta-endorphin, met-enkephalin and somatostatin on the neurotensin-induced neurogenic contraction in the guinea-pig ileum.
Topics: Animals; Atropine; beta-Endorphin; Endorphins; Enkephalin, Methionine; Enkephalins; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle Contraction; Naloxone; Neurotensin; Somatostatin | 1981 |
Gastrin release from isolated perfused rat stomach after vagotomy.
Topics: Animals; Atropine; Enkephalin, Methionine; Ganglia, Parasympathetic; Gastrins; Hexamethonium; Hexamethonium Compounds; Male; Methacholine Chloride; Methacholine Compounds; Parasympathetic Nervous System; Perfusion; Propranolol; Rats; Rats, Inbred Strains; Stomach; Vagotomy | 1984 |
[D-Met2, Pro5]enkephalinamide and dynorphin-(1-13) inhibit the cholinergic contraction induced in the guinea-pig ileum by substance P.
Topics: Animals; Atropine; Dynorphins; Endorphins; Enkephalin, Methionine; Female; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Naloxone; Parasympathetic Nervous System; Peptide Fragments; Substance P | 1983 |
Neurotransmitters involved in the colonic contraction and vasodilatation elicited by activation of the pelvic nerves in the cat.
Topics: Animals; Atropine; Cats; Colon; Enkephalin, Methionine; Gastrointestinal Motility; Hexamethonium; Hexamethonium Compounds; Neurotransmitter Agents; Receptors, Cell Surface; Receptors, Neurokinin-1; Substance P; Vasodilation | 1984 |
Peptidergic regulation of stress-induced eating.
Topics: Animals; Appetite Depressants; Atropine; Bombesin; Carbachol; Cholecystokinin; Enkephalin, Methionine; Enkephalins; Feeding Behavior; Haloperidol; Humans; Isoproterenol; Male; Muscimol; Naloxone; Norepinephrine; Peptide Fragments; Peptides; Phentolamine; Quipazine; Rats; Rats, Inbred Strains; Sincalide; Stress, Psychological | 1982 |
The effects of leucine-enkephalin on the spontaneous motility of the circular muscle of the cat colon.
Topics: Animals; Atropine; Cats; Dose-Response Relationship, Drug; Enkephalin, Leucine; Enkephalin, Methionine; Female; In Vitro Techniques; Male; Morphine; Muscle Contraction; Muscle, Smooth; Naloxone; Phentolamine; Receptors, Opioid; Tetrodotoxin | 1982 |
Cholinergic and histaminergic involvement in the growth hormone releasing effect of an enkephalin analog FK 33-824 in man.
Topics: Adult; Atropine; D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; Diphenhydramine; Enkephalin, Methionine; Female; Growth Hormone; Histamine; Humans; Male; Parasympathetic Nervous System; Prolactin; Synaptic Transmission; Time Factors | 1983 |
Reduction by phentolamine of the hypotensive effect of methionine enkephalin in anaesthetized rabbits.
Topics: Animals; Atropine; Blood Pressure; Enkephalin, Methionine; Heart Rate; In Vitro Techniques; Male; Naloxone; Nitroprusside; Norepinephrine; Perfusion; Phentolamine; Rabbits | 1984 |
Neural control of the sphincter of Oddi. Physiologic role of enkephalins on the regulation of basal sphincter of Oddi motor activity in the cat.
Topics: Ampulla of Vater; Animals; Atropine; Autonomic Nerve Block; Cats; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Female; Male; Muscle Contraction; Reserpine; Serotonin; Serotonin Antagonists; Sphincter of Oddi; Tetrodotoxin | 1984 |
Effect of methionine-enkephalin on the spontaneous electrical and mechanical activity of the smooth muscle of the rat portal vein.
Topics: Animals; Atropine; Electrophysiology; Enkephalin, Methionine; Male; Membrane Potentials; Muscle Contraction; Muscle, Smooth, Vascular; Naloxone; Phentolamine; Portal Vein; Rats; Rats, Inbred Strains | 1984 |
Presynaptic inhibitory effect of Met-enkephalin on [14C] acetylcholine release from the myenteric plexus and its interaction with muscarinic negative feedback inhibition.
Topics: Acetylcholine; Animals; Atropine; Electric Stimulation; Enkephalin, Methionine; Guinea Pigs; Muscle Contraction; Muscle, Smooth; Physostigmine; Receptors, Muscarinic | 1984 |
Growth hormone-releasing effect of an enkephalin analog in the dog: evidence for cholinergic mediation.
Topics: Acetylcholine; Animals; Atropine; Butylscopolammonium Bromide; D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; Dogs; Endorphins; Enkephalin, Methionine; Female; Growth Hormone; Growth Hormone-Releasing Hormone; Hormones; Kinetics; Male; Naloxone; Physostigmine; Pimozide; Receptors, Muscarinic | 1980 |
The synthesis and release of [3H-tyrosine1]methionine5-enkephalin from guinea pig brain slices.
Topics: Animals; Atropine; Brain; Carbachol; Enkephalin, Methionine; Guinea Pigs; In Vitro Techniques; Kinetics; Potassium; Synaptosomes; Tritium; Tyrosine; Veratridine | 1983 |
Nociceptin, a novel endogenous ligand for the ORL1 receptor, dilates isolated resistance arteries from the rat.
Topics: 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid; Acetylcholine; Animals; Atropine; Calcitonin Gene-Related Peptide; Dynorphins; Enkephalin, Methionine; Mesentery; Muscle, Smooth, Vascular; Naloxone; Nitroarginine; Nociceptin; Nociceptin Receptor; Opioid Peptides; Phentolamine; Rats; Rats, Sprague-Dawley; Receptors, Opioid; Vascular Resistance; Vasodilator Agents | 1998 |