JSON

pharyngeal pouch

^ http://purl.obolibrary.org/obo/UBERON_0004117

An internal pocketing of pharyngeal endoderm that contacts a region of ectoderm (a pharyngeal cleft) and interdigitates in the anterior and posterior directions with the pharyngeal arches. [ http://www.ncbi.nlm.nih.gov/pubmed/23020903 ZFA:0001106 http://orcid.org/0000-0002-6601-2165 ]

Synonyms: visceral pouch, branchial pouch

Term info

database cross reference
  • EMAPA:32752
  • EHDAA:1669
  • SCTID:34674002
  • EFO:0003627
  • Wikipedia:Pharyngeal_pouch_(embryology)
  • UMLS:C0231067 (ncithesaurus:Pharyngeal_Pouch)
  • EHDAA:579
  • EHDAA:1086
  • EHDAA:617
  • AAO:0011113
  • VHOG:0001203
  • FMA:293063
  • ZFA:0001106
  • TAO:0001106
  • XAO:0000282
  • NCIT:C34252
Subsets

efo_slim, pheno_slim, vertebrate_core

UBPROP 0000001

Outpocketings of pharyngeal endoderm that interdigitate with the neural crest derived pharyngeal arches. The pouches later fuse with the surface ectoderm to form the gill slits. Crump et al, 2004.[TAO]

UBPROP 0000003

A conserved feature of all vertebrate embryos is the presence of a series of bulges on the lateral surface of the head, the pharyngeal arches; it is within these structures that the nerves, muscles and skeletal components of the pharyngeal apparatus are laid down. The pharyngeal arches are separated by endodermal outpocketings, the pharyngeal pouches.[well established][VHOG]

UBPROP 0000012

EMAPA also includes a distinct pouch endoderm

comment

The pouches are polarized structures. For example, whereas the rostral half of each pouch expresses Bmp-7, the caudal half expresses FGF-8 and the dorsal aspect of each pouch is marked via its expression of Pax-1. each pouch has an individual sense of identity. Shh expression is a prominent early feature of the caudal endoderm of the second arch, and individual pouches mark the anterior limits of expression of Hox genes within the pharyngeal endoderm; Hox-a2 has a rostral boundary at the second pouch, Hox-a3 at the third pouch and Hox-a4 at the most caudal pouch[PMID:16313389]

has related synonym

pharyngeal pouches, visceral pouches

id

UBERON:0004117

prefLabel

pharyngeal pouch