title: Fetal and neonatal development of spindle capsules and intrafusal myofibers in the porcine sartorius.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D005333:Fetus; D009470:Muscle Spindles / Q000254:growth & development*; D009132:Muscles / Q000196:embryology; D009210:Myofibrils; D013552:Swine / Q000254:growth & development*; D013997:Time Factors