Histology of aging: central nervous system.
D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D001921:Brain / Q000473:pathology; D001933:Brain Stem / Q000473:pathology; D002452:Cell Count; D002490:Central Nervous System / Q000473:pathology* / Q000648:ultrastructure; D002531:Cerebellum / Q000473:pathology; D002540:Cerebral Cortex / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D051379:Mice; D008875:Middle Aged; D009474:Neurons / Q000473:pathology; D051381:Rats