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Pronunciation: at′las

Definition: First cervical vertebra, articulating with the occipital bone and rotating around the dens of the axis.

Synonym(s): vertebra C1, first cervical vertebra

[G. Atlas, in Greek mythology, a Titan who supported the heavens on his shoulders]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.