title: [Aging of the nervous system--with special reference to dementia in the aged].
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000368:Aged; D000375:Aging; D000818:Animals; D001921:Brain / Q000378:metabolism / Q000473:pathology*; D002794:Choline / Q000008:administration & dosage; D002795:Choline O-Acetyltransferase / Q000378:metabolism; D003704:Dementia / Q000378:metabolism / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D018377:Neurotransmitter Agents / Q000378:metabolism; D051381:Rats
chemical_list: D018377:Neurotransmitter Agents; D002795:Choline O-Acetyltransferase; D002794:Choline; D000109:Acetylcholine