proatlas

noun
pro·​at·​las | \ -ˈat-ləs How to pronounce proatlas (audio) \

Medical Definition of proatlas

: a rudimentary vertebra that lies between the atlas and the occipital bone and that occurs as a regular feature of the structure of reptiles and may occur as an anomaly in humans

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Dictionary Entries Near proatlas

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Cite this Entry

“Proatlas.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/proatlas. Accessed 22 Sep. 2021.

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