title: A growth of ideas: role of calcium as activator of cardiac contraction.
authors.forename: A M
authors.initials: AM
authors.lastname: Katz
mesh_terms: D000205:Actomyosin / Q000378:metabolism; D000818:Animals; D002118:Calcium / Q000502:physiology*; D015220:Calcium Channels / Q000378:metabolism; D002462:Cell Membrane / Q000378:metabolism; D003600:Cytosol / Q000378:metabolism; D006801:Humans; D007424:Intracellular Fluid / Q000378:metabolism; D009200:Myocardial Contraction / Q000502:physiology*; D009206:Myocardium / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism; D012106:Research; D012519:Sarcoplasmic Reticulum / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D014335:Tropomyosin / Q000378:metabolism
chemical_list: D015220:Calcium Channels; D014335:Tropomyosin; D000205:Actomyosin; D012964:Sodium; D011188:Potassium; D002118:Calcium