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.
6. Both are invasive conditions and carry the risk of infection. Both are used for various indications from investigation to palliation. 7. Gastroscopy is one of the commonest types of endoscopy techniques used, and relatively safe in the hands of a professional. The two are not separate entities, but a variable within a larger variable. Related posts: 1  Difference Between Colonoscopy and Endoscopy.