The axis bone, also known as the epistropheus, is the basis of the neck’s rotation. It sits below the atlas bone and is considered part of the cervical region of the spine. The atlas is a ring-shaped bone that sits at the top of the spine. It is named for the Greek Titan, Atlas because the globe of the skull rests on this bone, as the world rested on Atlas’s shoulders. Due to skeletal variation, each atlas and axis set sold will differ in size, shape, and patina. These bones are sold as a pair.
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