branchial arch

(redirected from Gill arches)
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  • noun

Synonyms for branchial arch

one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians

References in periodicals archive ?
Some attention to the structure of the original connection between the brain case and the gill arches is useful in understanding the basic changes in pressure that allowed for the eventual modification of the jaw and ear.
We removed gill arches from six kokanee salmon infested with gill lice and preserved them in 70% ethanol for identification of the species of gill lice.
i) tooth-like structures were found on gill arches in a primitive jawless vertebrate, indicating that teeth evolved prior to jaws.
In this case, shared developmental mechanisms pattern the skeletons of vertebrate gill arches and paired fins," he added.
Anterior three gill arches each of hypobranchial, ceratobranchial, epibranchial and pharyngobranchial, fourth arch of ceratobranchial and epibranchial, fifth arch comprising single ceratobranchial.