the first portion of the small intestine, from the stomach to the jejunum.
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.
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.
British Dictionary definitions for duodenum
the first part of the small intestine, between the stomach and the jejunum
- 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
The beginning part of the small intestine, starting at the lower end of the stomach and extending to the jejunum.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for duodenum
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.