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When Does Philtrum Develop?

Alexander Ross • • 7 min read
When Does Philtrum Develop?

By the tenth week, the inter-maxillary process will form the nasal bridge and the philtrum of the upper lip. The tissues of the 1st (mandibular) pharyngeal arch

pharyngeal arch
The branchial arches are embryologic structures that develop into anatomic structures in the adult human. The term “branchial” derives from the Latin “branchia,” meaning gills, and is used to describe the development of many species of fish and amphibia.
originates from mesoderm and the neural crest.

How is upper lip formed?

Results: The maxillary prominence and medial nasal prominence form the upper lip, whereas the lateral nasal, medial nasal, and maxillary prominences form the nose. There is fusion of the maxillary prominence with the medial nasal prominence. This fusion has not been previously described.

Which part of the face develops first?

SUMMARY: The external human face develops between the 4th and 6th weeks of embryonic development. Facial swellings arise on the frontonasal process (2 medial nasal and 2 lateral nasal processes) and the first pharyngeal arch (2 mandibular and 2 maxillary processes).

Alexander Ross
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Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.