title: Cerebral ageing.
mesh_terms: D000368:Aged; D000375:Aging / Q000473:pathology*; D000544:Alzheimer Disease / Q000473:pathology; D001921:Brain / Q000473:pathology*; D002795:Choline O-Acetyltransferase / Q000378:metabolism; D002799:Cholinergic Fibers / Q000378:metabolism; D003712:Dendrites / Q000473:pathology; D004298:Dopamine / Q000378:metabolism; D006801:Humans; D008875:Middle Aged; D009410:Nerve Degeneration; D010300:Parkinson Disease / Q000473:pathology; D012160:Retina / Q000473:pathology
chemical_list: D002795:Choline O-Acetyltransferase; D004298:Dopamine