What is the definition or description of: colonoscopy?

Colon testing: It is a test that you drink a special prep for that will cause you to have diarrhea to cleanse the bowels. Then under sedation, a gastroenterologist uses a telescopic instrument that can help them look at all of the walls of the colon.

Flexible video: Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do not remember the procedure.