Sarcomere length 'orders' relaxation in cardiac muscle.
D000818:Animals; D066298:In Vitro Techniques; D009200:Myocardial Contraction; D009206:Myocardium / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure*; D010210:Papillary Muscles / Q000502:physiology / Q000648:ultrastructure; D051381:Rats