duodenum

[ doo-uh-dee-nuhm, dyoo-; doo-od-n-uhm, dyoo- ]

See synonyms for duodenum on Thesaurus.com

noun,plural du·o·de·na

[doo-uh-dee-nuh, dyoo-; doo-od-n-uh, dyoo-], /ˌdu əˈdi nə, ˌdyu-; duˈɒd n ə, dyu-/, du·o·de·nums.Anatomy, Zoology.

the first portion of the small intestine, from the stomach to the jejunum.

Origin of duodenum

1350–1400; Middle English <Medieval Latin, by ellipsis from intestīnum duodēnum digitōrum intestine of twelve fingerbreadths, with original genitive plural construed as neuter singular; Latin duodēnī twelve each (here lacking distributive sense)

Words Nearby duodenum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use duodenum in a sentence

Last year, they published a paper that showed the sequences of the microbiome in the duodenum, the jejunum, the ileum and the colon for the first time.
The Mysteries and Underdiagnosis of SIBO | Meaghan Beatley | March 7, 2022 | Time
Larger amounts are very rarely found, and generally point to obstruction in the duodenum.
A Manual of Clinical Diagnosis | James Campbell Todd
The opalescent enchantments of her inner being mean nothing to her: she wouldnt know her entity from her duodenum.
I, Mary MacLane | Mary MacLane
It arises as a ventral outgrowth of the duodenum (fig. 420, l).
The Works of Francis Maitland Balfour, Volume III (of 4) | Francis Maitland Balfour
The duodenum showed the same softened state of its mucous membrane as was exhibited by the stomach.
An Investigation into the Nature of Black Phthisis | Archibald Makellar

If we follow the course of the intestines down, we find that the duodenum presents a remarkable curve.
Scientific American Supplement, No. 613, October 1, 1887 | Various

British Dictionary definitions for duodenum

duodenum

/ (ˌdjuːəʊˈdiːnəm) /

nounplural -na (-nə) or -nums

the first part of the small intestine, between the stomach and the jejunum

Origin of duodenum

C14: from Medieval Latin, shortened from intestinum duodenum digitorum intestine of twelve fingers' length, from Latin duodēnī twelve each

Derived forms of duodenum

duodenal, adjective

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

Scientific definitions for duodenum

duodenum

[ dōō′ə-dē′nəm, dōō-ŏd′n-əm ]

Plural duodena duodenums

The beginning part of the small intestine, starting at the lower end of the stomach and extending to the jejunum.

Cultural definitions for duodenum

duodenum

[ (dooh-uh-dee-nuhm, dooh-od-n-uhm) ]

The first part of the small intestine, located just below the stomach. (See digestive system.)

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