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Meaning of diverticulum

di•ver•tic•u•lum

Pronunciation: (dī"vur-tik'yu-lum), [key]
— pl. -la
  1. a blind, tubular sac or process branching off from a canal or cavity, esp. an abnormal, saclike herniation of the mucosal layer through the muscular wall of the colon.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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