title: Onion bulb neuropathies.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005621:Friedreich Ataxia / Q000473:pathology; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009186:Myelin Sheath / Q000378:metabolism; D010525:Peripheral Nerves / Q000378:metabolism; D010523:Peripheral Nervous System Diseases / Q000378:metabolism / Q000473:pathology; D012583:Schwann Cells; D013127:Spinal Nerves; D013460:Sulfur Isotopes; D013497:Sural Nerve / Q000378:metabolism / Q000473:pathology
chemical_list: D013460:Sulfur Isotopes