Pharyngeal groove: Difference between revisions
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Revision as of 06:57, 24 September 2010
| Pharyngeal groove | |
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 Pattern of the branchial arches. I-IV branchial arches, 1-4 branchial pouches (inside) and/or pharyngeal grooves (outside) a Tuberculum laterale b Tuberculum impar c Foramen cecum d Ductus thyreoglossus e Sinus cervicalis | |
| Identifiers | |
| TE | groove_by_E5.4.2.0.0.0.3 E5.4.2.0.0.0.3 |
| Anatomical terminology | |
A pharyngeal groove (or branchial groove, or pharyngeal cleft[1]) is the counterpart of the branchial pouch on the ectodermal side.
The first pharyngeal groove produces the external auditory meatus.[2] The rest (2, 3, and 4) are overlapped by the growing 2nd pharyngeal arch, and form the floor of the depression termed the cervical sinus, which opens ventrally, and finally obliterated.
See also
References
- ^ "musom.marshall.edu". Retrieved 2009-05-28.
- ^ http://isc.temple.edu/marino/embryology/parch98/ARCHI97/Img016.gif
External links
 | This anatomy article is a stub. You can help Wikipedia by expanding it. |