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branchial cleft

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Cleft branchial
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branchial cleft

 
Use branchial cleft in a Sentence
–noun
Zoology. one of a series of slitlike openings in the walls of the pharynx between the branchial arches of fishes and aquatic amphibians through which water passes from the pharynx to the exterior.
Also called visceral cleft.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Cleft branchial
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branchial cleft  
n.  See gill slit.
gill slit   (gĭl)   
n.  

  1. One of several narrow external openings connecting with the pharynx, characteristic of sharks and related fishes, through which water passes to the exterior, thereby bathing the gills. Also called branchial cleft, gill cleft.

  2. Embryology One of several rudimentary invaginations in the surface of the embryo, present during development of all air-breathing vertebrates and corresponding to the functional gill slits of aquatic species. Also called branchial groove.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: branchial cleft
Function: noun
: one of the open or potentially open clefts that occur on each side of the neck region of a vertebrate embryo between thebranchial arches, are formed by the meeting of an external furrow in the ectoderm with a pharyngeal pouch, may or may not extend through from the exterior to the cavity of the mouth and pharynx, andcorrespond to the gill slits of fishes and amphibians called also pharyngeal cleft, pharyngeal slit, visceral cleft
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

branchial cleft n.

  1. One of a bilateral series of slitlike openings into the pharynx through which water is drawn by aquatic animals.

  2. Any of the homologous branchialectodermal grooves of the mammalian embryo.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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