title: Quantal mechanisms in cardiac contraction.
mesh_terms: D008841:Actin Cytoskeleton / Q000502:physiology; D000818:Animals; D006321:Heart / Q000502:physiology*; D006801:Humans; D008840:Microfilament Proteins / Q000502:physiology; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology; D009200:Myocardial Contraction; D009210:Myofibrils / Q000502:physiology; D055095:Optics and Photonics; D012518:Sarcomeres / Q000502:physiology; D013997:Time Factors
chemical_list: D008840:Microfilament Proteins