mid·​gut ˈmid-ˌgət How to pronounce midgut (audio)
: the middle part of a digestive tract

Example Sentences

Recent Examples on the Web The vaccine would then attack the parasites in the mosquitoes’ midguts, making them unable to infect anyone else. BostonGlobe.com, 19 Dec. 2019 On the seventh day of this process, Vignuzzi and his postdoc Kenneth Stapleford dissected the mosquitoes, extracting virus from the midgut, salivary glands and saliva, and sequencing the viruses found in each sample. Quanta Magazine, 25 Aug. 2015 In addition, the scientists found that these trilobites’ digestive systems included a midgut gland, which in modern arthropods is typically found in predators. National Geographic, 6 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'midgut.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of midgut was in 1875

Dictionary Entries Near midgut

Cite this Entry

“Midgut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/midgut. Accessed 7 Dec. 2022.

Medical Definition


mid·​gut ˈmid-ˌgət How to pronounce midgut (audio)
: the middle part of the digestive tract of a vertebrate embryo that in humans 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
: the mesodermal intermediate part of the intestine of an invertebrate animal

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