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midgut

 - 4 dictionary results

mid⋅gut

[mid-guht]
–noun
1. Zoology.
a. the middle portion of the vertebrate alimentary canal, posterior to the stomach or gizzard and extending to the cecum, functioning in the digestion and absorption of food; the small intestine.
b. the anterior portion of the arthropod colon, composed of endodermal tissue.
2. Embryology. the middle part of the embryonic alimentary canal from which the intestines develop.
Compare foregut, hindgut.


Origin:
1870–75; mid- + gut
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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mid·gut   (mĭd'gŭt')   
n.  
  1. The middle section of the digestive tract in a vertebrate embryo from which the ileum, jejunum, and portions of the duodenum and colon develop. Also called mesenteron.

  2. The middle portion of the digestive tract of certain invertebrates, such as arthropods, lined with an enzyme-secreting tissue and serving as the main site of digestion and absorption.

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: mid·gut
Pronunciation: 'mid-"g&t
Function: noun
1 : the middle part of the alimentary canal of a vertebrate embryo that inhumans gives rise to the more distal part of the duodenum and to the jejunum, ileum, cecum and appendix, ascending colon, and much of the transverse colon
2 : the mesodermalintermediate part of the intestine of an invertebrate animal
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

midgut mid·gut (mĭd'gŭt')
n.

  1. The middle section of the digestive tract in a vertebrate embryo from which the ileum, jejunum, and portions of the duodenum and colon develop. Also called mesenteron.

  2. The middle portion of the digestive tract of certain invertebrates, such as arthropods, that is lined with an enzyme-secreting tissue and that serves as the main site of digestion and absorption.

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