title: Central neurohumoral systems involved with narcotic agonists and antagonists.
mesh_terms: D006916:5-Hydroxytryptophan / Q000494:pharmacology; D000109:Acetylcholine / Q000378:metabolism; D000700:Analgesics / Q000494:pharmacology; D000818:Animals; D001923:Brain Chemistry / Q000187:drug effects*; D002395:Catecholamines / Q000494:pharmacology; D003496:Cyclazocine / Q000494:pharmacology; D004357:Drug Synergism; D004361:Drug Tolerance; D007082:Ileum / Q000187:drug effects; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology*; D018377:Neurotransmitter Agents / Q000378:metabolism*; D010423:Pentazocine / Q000494:pharmacology; D010830:Physostigmine / Q000494:pharmacology; D011292:Premedication; D012110:Reserpine / Q000494:pharmacology; D012701:Serotonin / Q000494:pharmacology; D013569:Synapses / Q000187:drug effects; D014203:Tremorine / Q000494:pharmacology
chemical_list: D000700:Analgesics; D002395:Catecholamines; D009292:Narcotic Antagonists; D018377:Neurotransmitter Agents; D012701:Serotonin; D009020:Morphine; D012110:Reserpine; D010830:Physostigmine; D006916:5-Hydroxytryptophan; D003496:Cyclazocine; D000109:Acetylcholine; D010423:Pentazocine; D009269:Nalorphine; D014203:Tremorine