Additional evidence for the participation of 5-hydroxytryptamine in the intestinal response to morphine.
D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D005769:Gastrointestinal Motility / Q000187:drug effects*; D007421:Intestine, Small / Q000187:drug effects*; D008297:Male; D008784:Methysergide / Q000494:pharmacology*; D051379:Mice; D009020:Morphine / Q000494:pharmacology*; D009130:Muscle, Smooth / Q000187:drug effects*; D010830:Physostigmine / Q000494:pharmacology; D012110:Reserpine / Q000494:pharmacology*; D012701:Serotonin / Q000378:metabolism*
D012701:Serotonin; D009020:Morphine; D001285:Atropine; D012110:Reserpine; D010830:Physostigmine; D008784:Methysergide