title: Contraction and relaxation of in vitro perfused rat caudal artery: a possible role for cyclic 3'-5'-AMP.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology*; D000818:Animals; D001158:Arteries / Q000187:drug effects / Q000502:physiology*; D000242:Cyclic AMP / Q000037:antagonists & inhibitors / Q000494:pharmacology; D004336:Drug Antagonism; D004558:Electric Stimulation; D004878:Ergotamine / Q000494:pharmacology; D007093:Imidazoles / Q000037:antagonists & inhibitors / Q000494:pharmacology; D066298:In Vitro Techniques; D008297:Male; D009129:Muscle Tonus / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D010477:Perfusion; D051381:Rats; D013623:Tail / Q000098:blood supply; D013806:Theophylline / Q000494:pharmacology
chemical_list: D000227:Adenine Nucleotides; D007093:Imidazoles; D013806:Theophylline; D000242:Cyclic AMP; D004878:Ergotamine