foregut

foregut

[fawr-guht, fohr-]
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

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World English Dictionary
foregut (ˈfɔːˌɡʌt)
 
n
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
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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