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A pharyngeal pouch that is between pharyngeal arches 1 and 2. [ VHOG:0000970 http://www.ncbi.nlm.nih.gov/pubmed/16313389 https://www.worldcat.org/search?q=bn%3A0124020607 ]

Synonyms: hyomandibular pouch 1st arch pouch endoderm 1st arch branchial pouch endoderm 1st branchial pouch visceral pouch 1 1st arch branchial pouch first arch pharyngeal pouch pharyngeal pouches 1 first visceral pouch 1st pharyngeal pouch endoderm

This is just here as a test because I lose it

Term information

database cross reference

efo_slim, pheno_slim, vertebrate_core

plural term
pharyngeal pouches 1 [ ZFA:0001128 ]

development notes

The endoderm lines the future auditory tube (Pharyngotympanic Eustachian tube) , middle ear, mastoid antrum, and inner layer of the tympanic membrane. & origin of Mandibular nerve & Maxillary artery

external definition

. [][VHOG]

external ontology notes

we use adjacency relations rather than part_of, as in EHDAA2.

has alternative id


has related synonym

first pharyngeal pouch

homology notes

In all jawed vertebrates the first arch forms the jaw, while the second arch forms the hyoid apparatus. These two arches are separated by the first pharyngeal pouch and cleft.[well established][VHOG]