diverticula

[dahy-ver-tik-yuh-luhm]

di·ver·tic·u·lum

[dahy-ver-tik-yuh-luhm]
noun, plural di·ver·tic·u·la [-luh] . Anatomy.
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:
1640–50; < Latin, variant of dēverticulum byway, tributary, means of escape, equivalent to dēverti- (combining form of dēvertere, equivalent to dē- de- + vertere to turn) + -culum -cule2

di·ver·tic·u·lar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Diverticula is always a great word to know.
So is callithumpian. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
American Heritage
Science Dictionary
diverticulum   (dī'vûr-tĭk'yə-ləm)  Pronunciation Key 


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Plural diverticula
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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