Lower Digestive System

The parts of the lower digestive system

The lower digestive system includes the large intestine (ascending colon, transverse colon, descending colon, and sigmoid colon) and the rectum.

ByHealthwise Staff
Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine
Brian O'Brien, MD, FRCPC - Internal Medicine
Adam Husney, MD - Family Medicine
Kenneth Bark, MD - General Surgery, Colon and Rectal Surgery

Current as ofMarch 28, 2018

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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