
The lower digestive system includes the large intestine (ascending colon, transverse colon, descending colon, and sigmoid colon) and the rectum.
| By | Healthwise Staff |
| Primary Medical Reviewer | E. Gregory Thompson, MD - Internal Medicine |
| Specialist Medical Reviewer | Kenneth Bark, MD - Surgery, Colon and Rectal |
| Last Revised | August 27, 2012 |