这些动脉又一再分支形成小动脉。
在视交叉池内，垂体柄前方所见的小动脉几乎均属于垂体上动脉的分支。
The small branches seen anteriorly to optic chiasma in the chiasmatic cistern were almost always the branches of superior hypophyseal artery.
结果脑桥基底部梗死是后循环常见的梗死，据其是否涉及基底部表面分为基底动脉分支病(BABD)及小动脉病变。
Results Pontine basal infarction was a common infarction in the posterior circulatory system. The pathogenic mechanisms were mainly basilar artery branch disease (BABD) and small artery disease.
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