title: Hormonal control of heart function and myosin ATPase activity.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000818:Animals; D001794:Blood Pressure; D002118:Calcium; D004789:Enzyme Activation; D005260:Female; D013006:Growth Hormone / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006334:Heart Function Tests; D007016:Hypophysectomy; D009124:Muscle Proteins; D009206:Myocardium / Q000201:enzymology; D010477:Perfusion; D010902:Pituitary Gland / Q000502:physiology; D011188:Potassium; D000644:Quaternary Ammonium Compounds; D051381:Rats; D013974:Thyroxine / Q000494:pharmacology*
chemical_list: D009124:Muscle Proteins; D000644:Quaternary Ammonium Compounds; D013006:Growth Hormone; D000251:Adenosine Triphosphatases; D013974:Thyroxine; D011188:Potassium; D002118:Calcium