| 1. | Our study showed the following : mastoid process , transverse process of the atlas , and occipital condyle were important signs , superior and inferior suboccipital triangle is the important mark for distinguishing vertebral artery 研究显示:乳突、环椎横突和枕髁是术中重要的解剖学标志,上、下枕下三角是暴露椎动脉入颅前的一个重要解剖学标志。 |