Alzheimer's disease is a form of presenile dementia.

阿尔茨海默氏病是早老一种形式。

This article reviews the progress on the relationship between chronic hypoxia with cerebral hypoperfusion and presenile dementia mechanism.

本文就慢/大脑低灌与早老发病机制相关研究进展作一综述。

Alzheimer's disease(AD)is presenile dementia,it is a neurodegenerative disease of the central nervous system,and the mechanism of it is not clear.

阿尔茨海默病即老年,是一种中枢神经系统退行疾病,发病原因尚不清楚。