title: Cyclic AMP and cyclic GMP may play opposing roles in influencing force of contraction in mammalian myocardium.
mesh_terms: D000818:Animals; D002415:Cats; D000242:Cyclic AMP / Q000494:pharmacology*; D006152:Cyclic GMP / Q000494:pharmacology*; D006325:Heart Atria; D006339:Heart Rate / Q000187:drug effects; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D010210:Papillary Muscles; D051381:Rats
chemical_list: D000242:Cyclic AMP; D006152:Cyclic GMP