Cardiac histamine receptors and cyclic AMP.
D000818:Animals; D000242:Cyclic AMP / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D006352:Heart Ventricles / Q000378:metabolism; D006632:Histamine / Q000494:pharmacology / Q000502:physiology*; D009200:Myocardial Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism; D011968:Receptors, Histamine; D011969:Receptors, Histamine H1 / Q000502:physiology; D011970:Receptors, Histamine H2
D011968:Receptors, Histamine; D011969:Receptors, Histamine H1; D011970:Receptors, Histamine H2; D006632:Histamine; D000242:Cyclic AMP