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foregut

[fawr-guht, fohr-]
noun
  1. Zoology.
    1. 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.
    2. 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.
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Compare midgut, hindgut.

Origin of foregut

First recorded in 1885–90; fore- + gut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for foregut

Historical Examples

  • The commencing heart (ht), formed at this stage of two distinct tubes, is attached to the ventral side of the foregut.

    The Works of Francis Maitland Balfour, Volume III (of 4)

    Francis Maitland Balfour

  • Hence when the stomach develops from the foregut, as a specialized segment of the same, it is supplied by vagus branches.

  • Cleveland et al. isolated a bacterial organism from the foregut of the wood-feeding cockroach Panesthia angustipennis.


British Dictionary definitions for foregut

foregut

noun
  1. the anterior part of the digestive tract of vertebrates, between the buccal cavity and the bile duct
  2. the anterior part of the digestive tract of arthropods
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See also midgut, hindgut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

foregut in Medicine

foregut

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