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1·The veins of falciform ligament didn't companied arteries, and drained to left inferior phrenic vein.

静脉不与动脉伴行，回流至左膈下静脉。

2·The left inferior phrenic artery and liver middle artery formed vessel archs and gave out 6-12 branches to falciform ligament.

血供主要来自左膈下动脉和肝中动脉，二者于镰状韧带肝缘形成血管弓，并发出6~12支分布于镰状韧带；

3·The resection of the anterior clinoid process, the tuberculum and the falciform ligament can offer a roomy space to work and control the proximal artery;

手术时通过磨除前床突、鞍结节，切开镰状襞等能松解视神经、颈内动脉，形成较宽敞的操作空间，良好的控制近端动脉。