senile plaque; amyloid plaque; neuritic plaque
Medical term for the abnormal protein deposits in the brain associated with Alzheimer's disease.
Many senile plaques are observed in the brains of Alzheimer's disease patients.
age spot; liver spot
Common term for the brownish spots on the skin of older people; synonymous with 老人性色素斑.
See also: 老人性色素斑
My grandmother has several age spots on her hands.