Posterior arch
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| Bone: Posterior arch | |
|---|---|
| First cervical vertebra, or atlas. (Poster. arch labeled at bottom center.) | |
| Latin | arcus posterior atlantis |
| Gray's | subject #21 99 |
| Dorlands / Elsevier | a_58/12150718 |
In a cervical vertebra, the posterior arch forms about two-fifths of the circumference of the ring: it ends behind in the posterior tubercle, which is the rudiment of a spinous process and gives origin to the Recti capitis posteriores minores.
Additional images
 Median sagittal section through the occipital bone and first three cervical vertebræ. |
External links
- Posterior+arch+of+atlas at eMedicine Dictionary
- Bioweb at UWLAX aplab
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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