Colonoscopy or coloscopy is an endoscopic examination of the large bowel and distal part of the small bowel with a CCD camera or a fiber optic camera using a flexible tube passed through the anus. This unique video gives a comparison of a colonoscopic view of a normal colon to that in different diseases associated with colon like pseudomembranous colitis, ulcerative colitis, colon polyps, and ischemic colitis. Colonoscopy module is a standalone interactive flash based application. The product is designed as a tool for gastroenterologists and residents to learn about the common pathologies and also serves as a patient educational tool .