NCIt definition : A fiber-optic device used to performed colonoscopy. A colonoscope is a 75-inch long
flexible tube, with camera and a special attachment to snip off or cauterize polyps,
and to perform biopsies on the colon and rectum.;
Alternative definition : NCI-GLOSS: A thin, tube-like instrument used to examine the inside of the colon. A
colonoscope has a light and a lens for viewing and may have a tool to remove tissue.;