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posterior communicating artery
释义
posterior communicating artery
Encyclopedia
医学
脑动脉
释
posterior communicating artery
后交通动脉
颈内动脉与椎-基底动脉系的吻合支,起自颈内动脉末端或颈内动脉末端与前床突上段的交界处,沿视束下面、蝶鞍和动眼神经上方水平行向后内,与大脑后动脉吻合,是脑底动脉环的重要动脉之一。
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