[The so-called atrophic brain process in middle age].
D001284:Atrophy / Q000209:etiology*; D001921:Brain; D001927:Brain Diseases; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000473:pathology*; D008875:Middle Aged
ATROPHY/etiology; CEREBRAL ARTERIOSCLEROSIS/pathology