branchial pouch

(redirected from Branchial pouches)
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branchial pouch

[′braŋ·kē·əl ′pau̇ch]
(zoology)
In cyclostomes and some sharks, one of the respiratory cavities occurring in the branchial clefts.
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References in periodicals archive ?
The pharyngobranchial region, the part of the animal posterior to the mouth and ventral to the orbits and pectoral fins, is generally not well preserved, and the number of branchial pouches and branchial openings is uncertain.
The ectoderm, joining the arches, forms the branchial clefts, and the endoderm the branchial pouches.
Branchial cysts arise from isolated remnants of branchial clefts or branchial pouches.