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Intermaxillary segment

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Intermaxillary segment

Intermaxillary segment
Diagram showing the regions of the adult face and neck related to the fronto-nasal process and the branchial arches. (Globular processes labeled at center right.)
medial nasal prominence[1]
Gives rise to primary palate[2]
Gray's p.68
Anatomical terminology

In a human embryo (An organism at any time before full development, birth, or hatching), the intermaxillary segment is a mass of tissue formed by merging of tissues in the vicinity of the nose. It is essential for human survival. It is primordial, since in the further development of the embryo this particular mass no longer appears, but parts of it remain in "the intermaxillary portion of the upper jaw, the portion of the upper lip, and the primary palate".

More precisely, the rounded lateral angles of the medial process constitute the "globular processes". It is also known as the "Intermaxillary segment".[3] It gives rise to the premaxilla.[4]

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