- 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.
- 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.
- 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.
Origin of foregut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for foregut
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.The Anatomy of the Human Peritoneum and Abdominal Cavity
George. S. Huntington
Cleveland et al. isolated a bacterial organism from the foregut of the wood-feeding cockroach Panesthia angustipennis.The Biotic Associations of Cockroaches
Louis M. Roth
- the anterior part of the digestive tract of vertebrates, between the buccal cavity and the bile duct
- the anterior part of the digestive tract of arthropods
- 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.