World Library  
Flag as Inappropriate
Email this Article

Frontonasal prominence

Article Id: WHEBN0008578430
Reproduction Date:

Title: Frontonasal prominence  
Author: World Heritage Encyclopedia
Language: English
Publisher: World Heritage Encyclopedia

Frontonasal prominence

Frontonasal prominence
Under surface of the head of a human embryo about twenty-nine days old. (Frontonasal process labeled at center left.)
Latin prominentia frontonasalis
Gray's p.67
Code TE E5.
Anatomical terminology

During the third week of embryonic development, two areas of thickened ectoderm, the olfactory areas, appear immediately under the fore-brain in the anterior wall of the stomodeum, one on either side of a region termed the frontonasal prominence (or process).

By the upgrowth of the surrounding parts these areas are converted into pits, the olfactory pits, which indent the frontonasal prominence and divide it into a medial and two lateral nasal processes.

There is some evidence that development involves Sonic hedgehog and Fibroblast growth factor 8.[1]


  1. ^ Abzhanov A, Cordero DR, Sen J, Tabin CJ, Helms JA (December 2007). "Cross-regulatory interactions between Fgf8 and Shh in the avian frontonasal prominence". Congenit Anom (Kyoto) 47 (4): 136–48. PMID 17988255. doi:10.1111/j.1741-4520.2007.00162.x. 

External links

This article incorporates text from a public domain edition of Gray's Anatomy.

This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Hawaii eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.