Structure of the sarcoplasmic reticulum in vertebrate muscle.
D000663:Amphibians; D000818:Animals; D001001:Anura; D004721:Endoplasmic Reticulum; D008322:Mammals; D009132:Muscles / Q000166:cytology*; D009206:Myocardium / Q000166:cytology; D009210:Myofibrils; D010496:Pericardium / Q000033:anatomy & histology*; D012104:Reptiles