Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,900,405,866 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Mandibular Arch
(redirected from First branchial arch)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.03 sec.
mandibular arch [man′dib·yə·lər ′ärch]
(embryology)
The first visceral arch in vertebrates.

Mandibular Arch 

a supporting element of the visceral skeleton in gnathostomatous vertebrates, including humans. The mandibular arch is situated directly in front of the sublingual arch. In the course of evolution, the mandibular arch differentiated into the primary upper jaw (palatoquadrate cartilage) and primary lower jaw (Meckel’s cartilage).



Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
[FIGURE 1 OMITTED] The first branchial arch gives rise to mandibular and maxillary processes.
Gill rakers small, the longest on first branchial arch less than half length of longest gill filaments.
The first 3 tubercles are first branchial arch derivatives and form the (1) tragus, (2) helical crus, and (3) helix.
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.