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Definition of Platybasia
1. Noun. (medicine) A developmental condition characterized by an upward bulge in the base of the posterior cranial fossa. ¹
¹ Source: wiktionary.com
Medical Definition of Platybasia
1. A developmental deformity of the occipital bone and upper end of the cervical spine, in which the latter appears to have pushed the floor of the occipital bone upward. (12 Dec 1998)