On the inability to produce supersensitivity to catecholamines in intestinal smooth muscle.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D003042:Cocaine / Q000494:pharmacology; D003891:Desipramine / Q000494:pharmacology; D004342:Drug Hypersensitivity; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007422:Intestines / Q000187:drug effects*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*
D003042:Cocaine; D000109:Acetylcholine; D003891:Desipramine; D009638:Norepinephrine