Change in myocardial adenosine 3', 5' cyclic monophosphate during the contraction cycle.
D000818:Animals; D001001:Anura; D000242:Cyclic AMP / Q000378:metabolism*; D066298:In Vitro Techniques; D009200:Myocardial Contraction; D009206:Myocardium / Q000378:metabolism*
D000242:Cyclic AMP