- 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.
Examples from the Web for foregut
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
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
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