Changes in the nervous system and musculature of old rats.
D000375:Aging; D000818:Animals; D001917:Brachial Plexus / Q000473:pathology; D001921:Brain / Q000473:pathology; D003711:Demyelinating Diseases / Q000473:pathology / Q000662:veterinary; D004804:Eosinophils; D005260:Female; D008297:Male; D009132:Muscles / Q000166:cytology* / Q000473:pathology; D009133:Muscular Atrophy / Q000473:pathology / Q000662:veterinary; D009410:Nerve Degeneration; D009420:Nervous System / Q000166:cytology* / Q000473:pathology; D010243:Paralysis / Q000473:pathology / Q000662:veterinary; D051381:Rats / Q000033:anatomy & histology*; D012376:Rodent Diseases / Q000473:pathology; D012584:Sciatic Nerve / Q000473:pathology; D013194:Staining and Labeling