) ?供应眼部及大脑半球前 3/5 部分即额叶、颞叶、顶叶及基地节的血液?见图 the circle of Willis 环?见图脑基底部动脉?椎-基底动脉系统- vertebral-basilar artery S. ?椎动脉(VA): Which is divided into ? anterior spinal artery (脊髓前动脉) ? posterior spinal artery (脊髓后动脉) ? medullary artery (延髓动脉) ? posterior inferior cerebellar artery (小脑后下动脉) ?基底动脉(BA): Which has branches of ? anterior inferior cerebellar artery (小脑前下动脉) ? branches of pons (脑桥支) ? internal auditory artery (内听动脉) ? superior cerebellar artery (小脑上动脉) ?大脑后动脉(posterior cerebral artery, PCA) , which is the terminal division of BA ?椎基底动脉系统供应脑干,小脑及大脑半球后 2/5 部分即枕叶及颞叶的基底面,枕叶的内侧及丘脑等。 Etiology of CVD ? Vascular disorder ? Atherosclerosis ? Inflammatory disorders (TB,syphilitic arteritis , SLE, etc.) ? Congenital vascular malformation (aneurysm, AVM ) ? Lesions of any cause
全文预览
