Structural basis for cardiac function.
D000818:Animals; D002415:Cats; D002417:Cattle; D003670:Deer; D004285:Dogs; D004606:Elephants; D004699:Endocardium / Q000033:anatomy & histology; D000882:Haplorhini; D006352:Heart Ventricles / Q000033:anatomy & histology*; D006801:Humans; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000033:anatomy & histology; D010496:Pericardium / Q000033:anatomy & histology; D012377:Rodentia; D012589:Sciuridae; D016276:Ventricular Function