title: Duration of normal innervation required for complete differentiation of muscle spindles in newborn rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D002454:Cell Differentiation; D009121:Muscle Denervation; D009470:Muscle Spindles / Q000166:cytology*; D009132:Muscles / Q000294:innervation*; D009409:Nerve Crush; D009410:Nerve Degeneration; D051381:Rats; D013979:Tibial Nerve / Q000254:growth & development*