title: Loading determinants of relaxation in cat papillary muscle.
mesh_terms: D000818:Animals; D002415:Cats; D066298:In Vitro Techniques; D007537:Isometric Contraction; D009129:Muscle Tonus; D009200:Myocardial Contraction; D010210:Papillary Muscles / Q000502:physiology*; D013997:Time Factors; D016276:Ventricular Function