动脉粥样硬化是一种与脂质代谢障碍有关的疾病。病变主要累及大、中动脉,以动脉内膜脂质沉着,形成粥样硬化斑块为特征。此病多见于中、老年人,是危害人们身体健康的一大病症。它的病因和发病机理很复杂,迄今尚未完全明了。它的病灶具有一定的区域分布:(1)血管弯曲、血管分叉等处其切应力作用强的部位;(2)血管弯曲的内侧管壁、血管分支的前口等部 Atherosclerosis is a disease associated with lipid metabolism disorders. Lesions mainly involving the large and medium arteries, with arterial intimal lipid deposition, the formation of atherosclerotic plaque is characterized. More common in this disease, the elderly, is a major illness that endangers people’s health. Its etiology and pathogenesis are complex and so far not fully understood. Its lesions have a certain regional distribution: (1) vascular bending, vascular bifurcation and other parts of the role of shear stress; (2) vascular medial wall of the blood vessel, vascular branch of the front mouth and other ministries