diverticulum
a blind, tubular sac or process branching off from a canal or cavity, especially an abnormal, saclike herniation of the mucosal layer through the muscular wall of the colon.
Origin of diverticulum
1Other words from diverticulum
- di·ver·tic·u·lar, adjective
Words Nearby diverticulum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use diverticulum in a sentence
Cross section through the base of the proboscis showing diverticulum wall and proboscis gland.
Journal of Entomology and Zoology | VariousTo these may be added, according to Kupffer, in the embryonic stage, the anterior diverticulum of the gut (Fig. 166).
The Origin of Vertebrates | Walter Holbrook GaskellSection through the point of junction of the salivary ducts with the median oral diverticulum.
The Works of Francis Maitland Balfour, Volume IV (of 4) | Francis Maitland BalfourAt this or some earlier period, the intestine gave forth a much larger diverticulum or cæcum than that now existing.
More ventrally another slight diverticulum probably represents the infundibulum.
British Dictionary definitions for diverticulum
/ (ˌdaɪvəˈtɪkjʊləm) /
any sac or pouch formed by herniation of the wall of a tubular organ or part, esp the intestines
Origin of diverticulum
1Derived forms of diverticulum
- diverticular, 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 diverticulum
[ dī′vûr-tĭk′yə-ləm ]
A pouch or sac branching out from a portion of the gastrointestinal tract, especially the large intestine. A diverticulum can occur as a normal structure, or it can be caused by a hernia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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