Pharyngeal pouch (embryology)

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Pharyngeal pouch" embryology – news · newspapers · books · scholar · JSTOR (April 2009) (Learn how and when to remove this message)

Pharyngeal pouch
Pattern of the branchial arches. I-IV branchial arches, 1–4 pharyngeal pouches (inside) and/or pharyngeal grooves (outside) a Tuberculum laterale b Tuberculum impar c Foramen cecum d Ductus thyreoglossus e Sinus cervicalis
Floor of pharynx of human embryo about twenty-six days old.
Details
Carnegie stage	10
Identifiers
Latin	sacci pharyngei
TE	pouch (embryology)_by_E5.4.2.0.0.1.1 E5.4.2.0.0.1.1
FMA	293063
Anatomical terminology [edit on Wikidata]

In the embryonic development of vertebrates, pharyngeal pouches form on the endodermal side between the pharyngeal arches. The pharyngeal grooves (or clefts) form the lateral ectodermal surface of the neck region to separate the arches.