Objective To explore the relation between physiological, pathological changes ofCNS during hypobaric hypoxia and the changes of brain ATPase and succinate dehydrogenase in rats ex-posed to hypobaric hypoxia at different altitudes.

• 目的从腺苷三磷酸酶（ATPase）和琥珀酸脱氢酶（SDH）在脑组织内含量变化的观察分析，探讨急性高空低压缺氧时大白鼠脑组织病理学的改变。