Natural variability in the length of thin and thick filaments in single fibres from a crab, Portunus depurator.
D000818:Animals; D002462:Cell Membrane; D003445:Crustacea / Q000033:anatomy & histology*; D004721:Endoplasmic Reticulum; D008854:Microscopy, Electron; D009132:Muscles / Q000166:cytology*; D012508:Sarcolemma