title: Sympathetic-parasympathetic interactions on the ventricular myocardium: possible role of cyclic nucleotides.
mesh_terms: D000109:Acetylcholine / Q000502:physiology; D000262:Adenylyl Cyclases / Q000502:physiology; D000818:Animals; D002395:Catecholamines / Q000037:antagonists & inhibitors; D002415:Cats; D006152:Cyclic GMP / Q000502:physiology; D006321:Heart / Q000187:drug effects / Q000294:innervation* / Q000502:physiology; D009712:Nucleotides, Cyclic / Q000494:pharmacology / Q000502:physiology*; D010210:Papillary Muscles / Q000502:physiology; D010275:Parasympathetic Nervous System / Q000502:physiology*; D051381:Rats; D013562:Sympathectomy; D013564:Sympathetic Nervous System / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D002395:Catecholamines; D009712:Nucleotides, Cyclic; D000262:Adenylyl Cyclases; D006152:Cyclic GMP; D000109:Acetylcholine