: the anterior part of the digestive tract of a vertebrate embryo that develops into the pharynx, esophagus, stomach, and extreme anterior part of the intestine
Examples of foregut in a Sentence
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Scanning electron micrograph depicting a mass of Yersinia pestis bacteria (the cause of bubonic plague) in the foregut of the flea vector.
—
Evan Bush,
NBC News,
15 June 2022
Scientists also identified its mouth and a foregut with plates and circular teeth.
—
Carl Engelking,
Discover Magazine,
24 June 2015
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Evan Bush,
NBC News,
15 June 2022
Scientists also identified its mouth and a foregut with plates and circular teeth.
—
Carl Engelking,
Discover Magazine,
24 June 2015
Cite this Entry
“Foregut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foregut. Accessed 5 Jul. 2026.
Copy CitationMedical Definition
foregut
noun
fore·gut
-ˌgət 
1
: the anterior part of the digestive tract of a vertebrate embryo that develops into the pharynx, esophagus, stomach, and extreme anterior part of the intestine
2
: the anterior part of the definitive digestive tract of an invertebrate animal
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