Primary palate

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Primary palate
Primitive palate of a human embryo of thirty-seven to thirty-eight days.
Precursor intermaxillary segment
Latin palatum primarium; processus palatinus medianus
Code TE E5.
Anatomical terminology

Around the 5th week, the intermaxillary segment arises as a result of fusion of the two medial nasal processes and the frontonasal process within the embryo. The intermaxillary segment give rise to the primary palate. The primary palate will form the premaxillary portion of the maxilla (anterior one-third of the final palate). This small portion is anterior to the incisive foramen and will contain the maxillary incisors.


This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)