title: Cyclic AMP and calcium in relaxation in intestinal smooth muscle.
mesh_terms: D000255:Adenosine Triphosphate / Q000032:analysis; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes; D003106:Colon / Q000032:analysis / Q000378:metabolism; D000242:Cyclic AMP / Q000032:analysis / Q000494:pharmacology*; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D008861:Microsomes / Q000378:metabolism; D009130:Muscle, Smooth / Q000032:analysis / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism / Q000502:physiology*; D010208:Papaverine / Q000494:pharmacology; D010727:Phosphoric Diester Hydrolases / Q000032:analysis; D011817:Rabbits
chemical_list: D002127:Calcium Isotopes; D000255:Adenosine Triphosphate; D010208:Papaverine; D000242:Cyclic AMP; D010727:Phosphoric Diester Hydrolases; D007545:Isoproterenol; D002118:Calcium