title: Antagonism of morphine analgesia by reserpine and alpha-methyltyrosine and the role played by catecholamines in morphine analgesic action.
mesh_terms: D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D001921:Brain / Q000378:metabolism; D002395:Catecholamines / Q000378:metabolism; D003782:Dental Pulp / Q000502:physiology*; D004336:Drug Antagonism; D004558:Electric Stimulation; D004594:Electrophysiology; D004798:Enzymes / Q000494:pharmacology*; D006358:Hot Temperature; D008781:Methyltyrosines / Q000494:pharmacology; D051379:Mice; D009020:Morphine / Q000494:pharmacology* / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy*; D011817:Rabbits; D012110:Reserpine / Q000494:pharmacology*; D014443:Tyrosine / Q000494:pharmacology*
chemical_list: D000700:Analgesics; D002395:Catecholamines; D004798:Enzymes; D008781:Methyltyrosines; D014443:Tyrosine; D009020:Morphine; D012110:Reserpine