title: Human muscle spindle histochemistry.
mesh_terms: D001706:Biopsy; D002675:Child, Preschool; D006651:Histocytochemistry; D006801:Humans; D007223:Infant; D008297:Male; D008931:Mitochondria, Muscle / Q000201:enzymology; D009470:Muscle Spindles / Q000201:enzymology*; D009210:Myofibrils / Q000201:enzymology