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What Does the Intermaxillary Segment Form?
What Does the Intermaxillary Segment Form?
Sophia Al-Mansoor••7 min read
The first pharyngeal arch
pharyngeal arch
The branchial arch system begins to form in the fourth week and consists of six paired arches that decrease in size from cranial to caudal. Each branchial arch consists of four essential tissue components (cartilage, aortic arch artery, nerve, muscle) that serve as building blocks for the face, neck, and oropharynx.
–derived maxillary prominences fuse to form the intermaxillary segment which gives rise to the following oral cavity structures: philtrum of the lip, the maxilla and incisors, and the primary palate
primary palate
The primary palate or pre-maxilla includes that portion of the alveolar ridge containing the four incisors. The secondary palate forms the remaining hard palate and all the soft palate. Orofacial clefts result from an embryopathy in which there is failure of the frontonasal process and/or fusion of the palatal shelves.
. ... The secondary palate fuses with the primary palate and the descending nasal septum.
What week does the intermaxillary segment form?
By the 6th week, the inter-maxillary segment is formed from the fusion of the paired medial nasal prominences and the maxillary prominences.
Which structure is derived from the intermaxillary segment of the embryonic face *?
More precisely, the rounded lateral angles of the medial process constitute the globular processes. It is also known as the "Intermaxillary segment". It gives rise to the premaxilla.
