platy·​ba·​sia ˌplat-i-ˈbā-sē-ə How to pronounce platybasia (audio)
: a developmental deformity of the base of the skull in which the lower occiput is pushed by the upper cervical spine into the cranial fossa

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Cite this Entry

“Platybasia.” Medical Dictionary, Merriam-Webster, Accessed 7 Dec. 2023.

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