title: Proceedings: Fine structure of muscle spindles in masseter muscle of the rat.
mesh_terms: D000818:Animals; D008410:Masticatory Muscles / Q000648:ultrastructure*; D008931:Mitochondria, Muscle / Q000648:ultrastructure; D009470:Muscle Spindles / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure; D051381:Rats; D012519:Sarcoplasmic Reticulum / Q000648:ultrastructure