Proatlas definitions

Proatlas

• (n.) A vertebral rudiment in front of the atlas in some reptiles.
Found on http://thinkexist.com/dictionary/meaning/proatlas/

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proatlas

(pro-at´lәs) a rudimentary vertebra that lies in front of the atlas in some animals; sometimes seen in humans as an anomaly in the lower posterior part of the skull.
Found on http://www.encyclo.co.uk/local/21001

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Proatlas

Pro·at'las noun [ Prefix pro- + atlas .] (Anat.) A vertebral rudiment in front of the atlas in some reptiles.
Found on http://www.encyclo.co.uk/webster/P/164

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