title: [Current concepts concerning the mechanism of cardiac muscle contraction and relaxation].
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism; D000818:Animals; D002118:Calcium / Q000378:metabolism; D002395:Catecholamines / Q000494:pharmacology; D006168:Guinea Pigs; D009124:Muscle Proteins / Q000378:metabolism; D009200:Myocardial Contraction; D009206:Myocardium / Q000378:metabolism / Q000648:ultrastructure; D009210:Myofibrils / Q000502:physiology; D011188:Potassium / Q000378:metabolism; D012508:Sarcolemma / Q000378:metabolism; D012519:Sarcoplasmic Reticulum / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D013997:Time Factors
chemical_list: D002395:Catecholamines; D009124:Muscle Proteins; D000255:Adenosine Triphosphate; D012964:Sodium; D000251:Adenosine Triphosphatases; D011188:Potassium; D002118:Calcium
vernacular_title: Sovremennye predstavleniia o mekhanizme sokrasheniia i rasslableniia serdechnoĭ myshtsy.