Intermaxillary segment

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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.)
Precursor medial nasal prominence[1]
Gives rise to primary palate[2]
Anatomical terminology

The intermaxillary segment in an embryo is a mass of tissue formed by the 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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This article incorporates text in the public domain from page 68 of the 20th edition of Gray's Anatomy (1918)

  1. ^ Langman, Jan; Thomas Sadler (2006). Langman's medical embryology. Hagerstown, MD: Lippincott Williams & Wilkins. p. 272. ISBN 0-7817-9485-4. 
  2. ^ plastic/216 at eMedicine
  3. ^ Globular Process – Medical Dictionary Definition
  4. ^ Development Of The Head And Neck

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