title: The structure, distribution and innervation of spindles in the extensor digitorum brevis I muscle of the tortoise Testudo graeca.
mesh_terms: D000818:Animals; D002452:Cell Count; D009046:Motor Neurons; D009470:Muscle Spindles / Q000033:anatomy & histology* / Q000294:innervation*; D009210:Myofibrils / Q000166:cytology; D014426:Turtles / Q000033:anatomy & histology*