Neuronal degenerations of aging.
D000368:Aged; D000375:Aging; D000544:Alzheimer Disease / Q000473:pathology; D000818:Animals; D001284:Atrophy; D001921:Brain / Q000473:pathology; D002470:Cell Survival; D003704:Dementia / Q000473:pathology; D006801:Humans; D002479:Inclusion Bodies / Q000648:ultrastructure; D009046:Motor Neurons / Q000648:ultrastructure; D009410:Nerve Degeneration; D009454:Neurofibrils / Q000648:ultrastructure; D009474:Neurons / Q000648:ultrastructure