diverticular

diverticulum

[dahy-ver-tik-yuh-luhm]
noun, plural diverticula [dahy-ver-tik-yuh-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

diverticular, adjective
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World English Dictionary
diverticulum (ˌdaɪvəˈtɪkjʊləm)
 
n , pl -la
any sac or pouch formed by herniation of the wall of a tubular organ or part, esp the intestines
 
[C16: from New Latin, from Latin dēverticulum by-path, from dēvertere to turn aside, from vertere to turn]
 
diver'ticular
 
adj

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Word Origin & History

diverticulum
"blind tube" (anatomical), 1819, Mod.L., from L. deverticulum "a bypath," from devertere "to turn aside" (see divert).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

diverticulum di·ver·tic·u·lum (dī'vûr-tĭk'yə-ləm)
n. pl. di·ver·tic·u·la (-lə)
A pouch or sac branching out from a hollow organ or structure.


di'ver·tic'u·lar adj.
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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.
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