Proatlas


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Pro`at´las


n.1.(Anat.) A vertebral rudiment in front of the atlas in some reptiles.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The latter process is especially important for the proatlas, whose corpus forms the tip of the dens axis called the Ossiculum terminale Bergmann.