platybasia
noun
platy·ba·sia
ˌplat-i-ˈbā-sē-ə 
: 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
Cite this Entry
“Platybasia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/platybasia. Accessed 5 Dec. 2025.
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