Branchial clefts

	the openings between the branchial arches through which water passes.
	See under Branchial.

branchial clefts

bran·chi·al clefts

a bilateral series of slitlike openings into the pharynx through which water is drawn by aquatic animals; in the walls of the clefts are the vascular gill filaments that take up oxygen from the water passing through the clefts; sometimes wrongly applied to the pharyngeal grooves of mammalian embryos, which are imperforate, rudimentary homologues of complete gill clefts. Synonym(s): gill clefts

branchial clefts

the apertures in the walls of the PHARYNX of fish or young amphibia (four-seven pairs) which allow water entering by the mouth to pass out over the gills.

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