title: The histology of an elementary mammalian muscle preparation.
mesh_terms: D000818:Animals; D009046:Motor Neurons; D009470:Muscle Spindles; D009132:Muscles / Q000033:anatomy & histology* / Q000294:innervation; D009413:Nerve Fibers, Myelinated; D009476:Neurons, Efferent; D051381:Rats; D013126:Spinal Nerve Roots; D013623:Tail; D014666:Vasomotor System