branchial arch

(redirected from Branchial arches)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.
Related to Branchial arches: Branchial cyst, branchial fistula

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 ?
Anomalies of the first, second, and third branchial arches have been commonly described.
Of the six branchial arches in humans, the fifth and sixth are rudimentary.
By the sixth week of intrauterine development, the embryo exhibits paired branchial arches.
5) They are thought to arise from unsegmented mesoderm in the branchial arches.