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duodenum

[ doo-uh-dee-nuhm, dyoo-; doo-od-n-uhm, dyoo- ]
/ 藢du 蓹藞di n蓹m, 藢dyu-; du藞蓲d n 蓹m, dyu- /
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Definition of duodenum

noun, plural du路o路de路na [doo-uh-dee-nuh, dyoo-; doo-od-n-uh, dyoo-], /藢du 蓹藞di n蓹, 藢dyu-; du藞蓲d n 蓹, dyu-/, du路o路de路nums.Anatomy, Zoology.
the first portion of the small intestine, from the stomach to the jejunum.
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Origin of duodenum

1350鈥1400; Middle English <Medieval Latin, by ellipsis from intest墨num duod膿num digit艒rum intestine of twelve fingerbreadths, with original genitive plural construed as neuter singular; Latin duod膿n墨 twelve each (here lacking distributive sense)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use duodenum in a sentence

British Dictionary definitions for duodenum

duodenum
/ (藢dju藧蓹蕣藞di藧n蓹m) /

noun plural -na (-n蓹) or -nums
the first part of the small intestine, between the stomach and the jejunum

Derived forms of duodenum

duodenal, adjective

Word Origin for duodenum

C14: from Medieval Latin, shortened from intestinum duodenum digitorum intestine of twelve fingers' length, from Latin duod膿n墨 twelve each
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for duodenum

duodenum
[ d艒艒鈥采-d膿n蓹m, d艒艒-艔dn-蓹m ]

Plural duodena duodenums
The beginning part of the small intestine, starting at the lower end of the stomach and extending to the jejunum.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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.)

The New Dictionary of Cultural Literacy, Third Edition Copyright 漏 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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