8 sides carotid bifurcation had perforating arteries.

8侧颈内动脉分叉部存在穿通动脉。

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Recurrent artery of Heubner was the thickest among the perforating arteries of ACA-A1 segment. It original location? course and amount varied much.

回返动脉为ACA-A1段发出的穿动脉中最粗大的血管，起源部位、行程及数量变异大。

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Conclusions pontine infarctions, which mainly located in mid-upper paramedian pons, are usually due to vertebrobasilar artery stenosis and occlusion of pontine perforating arteries by hypertension.

结论脑桥梗死多发生在脑桥中上部的旁正中区域，主要由椎基底动脉狭窄、高血压性基底动脉穿通支闭塞所致。

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