Branchial arches

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Related to Branchial arches: Branchial cyst, branchial fistula
the bony or cartilaginous arches which support the gills on each side of the throat of fishes and amphibians. See Illustration in Appendix.

See also: Branchial

References in periodicals archive ?
They arise as a result of an abnormal development of the branchial arches and their corresponding ectoderm-lined branchial clefts.
They feed, while swimming slowly with their mouths wide-open, allowing water and plankton to pass through the buccal cavity, into the pharynx and across the branchial arches, which are lined with numerous gill rakers (1260 gill rakers per gill: Bigelow & Schroeder, 1948, p.
37) By the 4th week of embryonic life, 4-paired mesodermal arches are apparent externally, with smaller 5th and 6th branchial arches not well visualized.
They then characterized changes in the shape and position of the craniofacial structures, such as jaws, branchial arches, eyes, otic capsules and olfactory pits, through "geometric morphometric analysis," which measured positioning of a total of 32 landmarks on the top and bottom sides of the tadpoles.
Vascular rings result from the abnormal or incomplete regression of one of the 6 embryonic branchial arches.