骶骨外侧部的营养动脉分别由腹侧、背侧和内侧面进入。

The nutrient arteries of the lateral part of the sacrum enter the bone through its ventral, dorsal and medial aspects.

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骶骨外侧部的营养动脉分别由腹侧、背侧和内侧面进入。

The nutrient arteries of the lateral part of the sacrum enter the bone through its ventral, dorsal and medial aspects.

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