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(dÄ«'vÃ»r-tÄ­k'yÉ-lÉm) 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.
Diverticulosis (also known as diverticular disease), is the condition of having diverticula (pouch) in the colon. Signs and symptoms of diverticulitis depend on the location of the affected diverticulum, degree and extent of the inflammation, and complications.