枕下三角内有椎动脉及肌支，椎静脉丛和颈1神经。

The structure in the triangle was the vertebral artery, muscular branches, vertebral venous plexus and C1 nerve.

youdao

枕下三角内有椎动脉及肌支，椎静脉丛和颈1神经。

The structure in the triangle was the vertebral artery, muscular branches, vertebral venous plexus and C1 nerve.

youdao