Contractile behaviour of heart muscle.
D000818:Animals; D002415:Cats; D006321:Heart / Q000502:physiology*; D066298:In Vitro Techniques; D008722:Methods; D008931:Mitochondria, Muscle; D008954:Models, Biological; D009119:Muscle Contraction; D013997:Time Factors; D016276:Ventricular Function