C1 (Atlas) - Transverse Process
C1 - Anterior and Posterior Facets
Position C1 Relative to the Cranial Vault
The lateral masses of the atlas vertebrae can be visualized on a Dental Orthogonal Xray (mouth open)
Drawing by Elizabeth Cunningham, Reproduced with Permission,
©Postural Resolution Institute®
Superior facets of the Atlas forming the Occipital Atlas (O/A) Joint.
The O/A joint is actually comprised of two pairs of facets.