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Terms
for subject
Anatomy
containing
circles
|
all forms
English
Chinese
cerebral arterial
circle
大脑动脉环
(又称 circle of Willis (Willis 环),由两侧大脑前动脉起始段、两侧颈内动脉末端、两侧大脑后动脉借前、后交通动脉共同组成,位于脑底下方,蝶鞍上方,环绕视交叉、灰结节及乳头体周围。此环使两侧颈内动脉系与椎-基动脉系相交通)
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