Development of tolerance to the stimulatory effect of morphine in dog intestine.
D000818:Animals; D001626:Bethanechol Compounds / Q000494:pharmacology; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D004386:Duodenum / Q000187:drug effects; D005260:Female; D005769:Gastrointestinal Motility / Q000187:drug effects; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007275:Injections, Intravenous; D007422:Intestines / Q000187:drug effects*; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D010477:Perfusion; D011950:Receptors, Cholinergic / Q000187:drug effects; D012701:Serotonin / Q000494:pharmacology; D013268:Stimulation, Chemical
D001626:Bethanechol Compounds; D011950:Receptors, Cholinergic; D012701:Serotonin; D009020:Morphine