脑血管病是一种常见病、多发病。近年来临床上发现脑梗塞的发病率不断上升,特别是椎基底动脉系统的病变较过去明显增加。关于脑动脉的解剖,国内外积累了大量的材料,而对于脑实质内部动脉的研究仍然较少。由于标本不同,灌注材料和方法的不 Cerebrovascular disease is a common disease, frequently-occurring disease. In recent years, the incidence of cerebral infarction has been rising clinically, especially in the vertebrobasilar system lesions significantly increased over the past. About the anatomy of the cerebral arteries, a large number of materials have been accumulated both at home and abroad, while there are still few studies on the internal arteries of the brain parenchyma. Due to the different specimens, the infusion of materials and methods is not