title: 'Onion bulb' formations in the central and peripheral nervous system in association with multiple sclerosis and hypertrophic polyneuropathy.
mesh_terms: D000328:Adult; D002490:Central Nervous System / Q000473:pathology*; D003711:Demyelinating Diseases / Q000473:pathology; D006801:Humans; D006984:Hypertrophy; D008297:Male; D008526:Medulla Oblongata / Q000473:pathology; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000150:complications* / Q000473:pathology; D010525:Peripheral Nerves / Q000473:pathology*; D010523:Peripheral Nervous System Diseases / Q000150:complications* / Q000473:pathology; D012583:Schwann Cells; D013116:Spinal Cord / Q000473:pathology; D013126:Spinal Nerve Roots / Q000473:pathology