title: Postnatal increase of intrafusal fibers in the rat muscle spindle.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002455:Cell Division; D009470:Muscle Spindles / Q000254:growth & development*; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine