title: COMPARISON OF THE ULTRASTRUCTURAL BASIS OF THE CONTRACTILE PROCESS IN HEART AND SKELETAL MUSCLE.
mesh_terms: D001001:Anura; D002415:Cats; D002468:Cell Physiological Phenomena; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D009119:Muscle Contraction; D018482:Muscle, Skeletal; D009132:Muscles; D009206:Myocardium; D009210:Myofibrils; D010828:Physiology, Comparative; D012106:Research
keywords: CATS; CELL STRUCTURE; EXPERIMENTAL LAB STUDY; FROGS; MICROSCOPY, ELECTRON; MITOCHONDRIA; MUSCLE CONTRACTION; MUSCLES; MYOCARDIUM; MYOFIBRILS; PHYSIOLOGY, COMPARATIVE