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foregut

 - 4 dictionary results

fore⋅gut

  [fawr-guht, fohr-]
Use foregut in a Sentence
–noun
1. Zoology.
a. the first portion of the vertebrate alimentary canal, extending from the pharynx and esophagus to the end of the stomach or gizzard and, in some animals, the anterior duodenum, functioning in the ingestion, temporary storage, and partial digestion of food.
b. the first portion of the alimentary canal in arthropods and annelids, composed of ectodermal, chitin-lined tissue and usually comprising the pharynx, esophagus, crop, and gizzard.
2. Embryology. (in mammals) the upper part of the embryonic alimentary canal from which the pharynx, esophagus, lung, stomach, liver, pancreas, and part of the duodenum develop.
Compare midgut, hindgut.

Origin:
1885–90; fore- + gut
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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fore·gut   (fôr'gŭt', fōr'-)   
n.  

  1. The anterior part of the embryonic alimentary canal of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.

  2. The first part of the alimentary canal of an arthropod or annelid, which includes the buccal cavity, esophagus, crop, and gizzard.

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: fore·gut
Pronunciation: -"g&t
Function: noun
1 : the anterior part of the alimentary canal of a vertebrate embryo thatdevelops into the pharynx, esophagus, stomach, and extreme anterior part of the intestine
2 : the anterior part of the definitive alimentary canal of an invertebrate animal
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

foregut fore·gut (fôr'gŭt')
n.
The anterior part of the embryonic alimentary canal of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.

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