Lateral nasal prominence

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Lateral nasal prominence
Diagram showing the regions of the adult face and neck related to the fronto-nasal process and the branchial arches.
Gray's	subject #13 67
Precursor	frontonasal prominence
Dorlands/Elsevier	p_36/12669841

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] )

[edit] Pathology

Failure to fuse can cause a cleft lip.

[edit] Additional images

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

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

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

[edit] References

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 As such, some of the information contained herein may be outdated.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.

v • d • e Human development of head and neck Branchial region Pharyngeal arch (1st, 2nd) - Pharyngeal pouch - Pharyngeal groove - Cervical sinus Frontonasal prominence - Maxillary prominence - Mandibular prominence (Meckel's cartilage) tongue: Lateral lingual swelling - Tuberculum impar nose: Nasal placode - Olfactory pit - nasal prominences (Lateral, Medial) - Intermaxillary segment palate: Primitive palate - Secondary palate Tooth development Dental papilla - Odontoblast - Ameloblast - Hertwig's epithelial root sheath - Epithelial cell rests of Malassez - Cementoblast Thyroid Thyroid diverticulum - Thyroglossal duct - Ultimobranchial body