Evidences that endogenous 5-hydroxytryptamine participates in the contractile response to morphine in the rat isolated colon.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D003080:Cold Temperature; D003106:Colon / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D005260:Female; D010134:Fenclonine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D051381:Rats; D011919:Rats, Inbred Strains; D012110:Reserpine / Q000494:pharmacology; D012701:Serotonin / Q000502:physiology*; D013779:Tetrodotoxin / Q000494:pharmacology
D012701:Serotonin; D013779:Tetrodotoxin; D009020:Morphine; D012110:Reserpine; D000109:Acetylcholine; D010134:Fenclonine