Evidence for a structural relationship between sarcoplasmic reticulum and Z lines in dog papillary muscle.
D000818:Animals; D001485:Basement Membrane; D004285:Dogs; D016403:Lymphoma, Large B-Cell, Diffuse; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009210:Myofibrils / Q000166:cytology; D010210:Papillary Muscles / Q000166:cytology*