[ mid-guht ]
/ ˈmɪdˌgʌt /


  1. 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.
  2. the anterior portion of the arthropod colon, composed of endodermal tissue.
Embryology. the middle part of the embryonic alimentary canal from which the intestines develop.
Compare foregut, hindgut.

Origin of midgut

First recorded in 1870–75; mid- + gut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for midgut

British Dictionary definitions for midgut

/ (ˈmɪdˌɡʌt) /


the middle part of the digestive tract of vertebrates, including the small intestine
the middle part of the digestive tract of arthropods
See also foregut, 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

Medicine definitions for midgut

[ mĭdgŭt′ ]


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