颈椎 Cervical vertebrae
（重定向自Seventh cervical vertebra）
颈椎（cervical vertebrae）是脊椎的第一节。人类的颈椎位于颈部区域，一共有7块颈椎骨。
第一节颈椎有一个特别的名称：寰椎（Atlas），取自希腊神话中背负着地球的泰坦巨神阿特拉斯。
马的第一个颈椎与头骨的交界是御马者控制马匹时施压的地方。
Seventh cervical vertebra
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英语百科
Cervical vertebrae 颈椎
（重定向自Seventh cervical vertebra）
In vertebrates, cervical vertebrae (singular: vertebra) are the vertebrae of the neck, immediately below the skull.
Thoracic vertebrae in all mammalian species are those vertebrae that also carry a pair of ribs, and lie caudal to the cervical vertebrae. Further caudally follow the lumbar vertebrae, which also belong to the trunk, but do not carry ribs. In reptiles, all trunk vertebrae carry ribs and are called dorsal vertebrae.
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