noun
senile plaque; amyloid plaque; neuritic plaque
Medical term for the abnormal protein deposits in the brain associated with Alzheimer's disease.
アルツハイマー病の脳には老人斑が多く見られる。
Many senile plaques are observed in the brains of Alzheimer's disease patients.
noun
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
祖母の手には老人斑がいくつかある。
My grandmother has several age spots on her hands.