title: Fine structure of muscle spindles in the masseter muscle of the rat.
mesh_terms: D000818:Animals; D005260:Female; D006003:Glycogen / Q000032:analysis; D008410:Masticatory Muscles / Q000294:innervation* / Q000648:ultrastructure; D008931:Mitochondria, Muscle / Q000648:ultrastructure; D009470:Muscle Spindles / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure; D009411:Nerve Endings / Q000648:ultrastructure; D009474:Neurons / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure; D051381:Rats / Q000033:anatomy & histology*; D012519:Sarcoplasmic Reticulum / Q000648:ultrastructure
chemical_list: D006003:Glycogen