Glossary
Colonoscopy
(KOH-luh-NOS-koh-pee)
Examination of the inside of the colon using a colonoscope, inserted into the rectum. A colonoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease.
Definition from the National Cancer Institute’s NCI Dictionary of Cancer Terms.