The colon and how its bacteria helps digest food. The colon is a part of the digestive system it is also called the large intestine. The large intestine or colon is shorter than the small intestine but has a larger diameter. The length of the colon is approximately 5 feet long.
In summary, 1  Both endoscopy and colonoscopy are the procedures to visualise the gastro intestinal path (Food canal). 2  The differences are endoscopy will be inserted from the mouth; colonoscopy will be inserted from the anus. 3  Unlike in colonoscopy, bowel preparation is not needed to do the endoscopy.
1 Endoscopy is a procedure in which a thin tube with a camera (endoscope) is inserted into the body to diagnose or, in some cases, treat a health condition. 2  Several different types of endoscopes and endoscopic procedures have been developed to view various parts of the body.ey Messages: 1  Endoscopy is a procedure in which a thin tube with a camera (endoscope) is inserted into the body to diagnose or, in some cases, treat a health condition.