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By the upgrowth of the surrounding parts the olfactory areas are converted into pits, the olfactory pits, which indent the fronto-nasal process and divide it into a medial and two lateral nasal prominences (or lateral nasal processes, or nasolateral, or nasal prominences^[1] )

PathologyEdit

Failure to fuse can cause a cleft lip.

See alsoEdit

• Medial nasal prominence

Additional imagesEdit

Gray44.png

Under surface of the head of a human embryo about twenty-nine days old.

Gray45.png

Head end of human embryo of about thirty to thirty-one days.

Gray46.png

Same embryo as shown in Fig. 45, with front wall of pharynx removed.

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ReferencesEdit

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Template:Embryology of head and neck