branchial arch

(redirected from Pharyngeal arches)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial.
Related to Pharyngeal arches: Pharyngeal pouches

branchial arch

[′braŋ·kē·əl ′ärch]
(vertebrate zoology)
One of the series of paired arches on the sides of the pharynx which support the gills in fishes and amphibians.
References in periodicals archive ?
The branchial apparatus of all vertebrates is composed of 6 pharyngeal arches, but only 4 are well developed in mammals and birds.
All turned on genes in the developing ear and eye, and in the embryonic gills, or pharyngeal arches.
Contribution from the paired fourth pharyngeal arches to the lateral portion of the epiglottis remains controversial.