- 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
Examples from the Web for diverticulum
Historical Examples of diverticulum
In the same way the bowel may be constricted by a diverticulum.
The gall-bladder arises as a diverticulum of the right primitive lobe.The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour
The size of the diverticulum varies; a common size is that of a duck egg, but the size of a fist has been attained.
In some cases of diverticulum high up, there is a tumor, usually on the left side of the neck.
This diverticulum contains the blood-vessel and muscle-fibres (fig. 22).
- any sac or pouch formed by herniation of the wall of a tubular organ or part, esp the intestines
Word Origin for diverticulum
"blind tube" (anatomical), 1819, Modern Latin, from Latin deverticulum "a bypath," from devertere "to turn aside" (see divert).
- A pouch or sac branching out from a hollow organ or structure.
- 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.