在椎间孔外区，后支主干及其分支与出口腰神经前支的关系密切，血管呈“树叉”状从外侧将神经包绕。

In the out space of the foramens, the posterior branches located laterally to the exiting nerve and formed an "arbor" around it.

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神经支配为闭孔神经前支。

The nerve was anterior branch obturater nerve.

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在87侧标本（78% ） ，闭孔血管神经的排列关系自前而后为神经、动脉、静脉。

In 87 sides (78%) of the pelvis, the obturator nerve was in the front of the obturator artery and the obturator vein.

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