title: Cardiac relaxation: load sensitivity and sarcoplasmic reticulum.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D006973:Hypertension / Q000503:physiopathology; D007037:Hypothyroidism / Q000503:physiopathology; D009200:Myocardial Contraction; D051381:Rats; D011918:Rats, Inbred SHR; D012519:Sarcoplasmic Reticulum / Q000502:physiology*
chemical_list: D002118:Calcium