Nature of invaginating tubules in Felderstruktur muscle fibers of the garter snake.
D000818:Animals; D002462:Cell Membrane; D004721:Endoplasmic Reticulum; D008854:Microscopy, Electron; D009210:Myofibrils / Q000166:cytology*; D012911:Snakes / Q000033:anatomy & histology*