Concentric sclerosis.
D000328:Adult; D001921:Brain / Q000473:pathology*; D003711:Demyelinating Diseases / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008578:Meninges / Q000473:pathology; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000648:ultrastructure; D012598:Sclerosis; D013346:Subarachnoid Space