Colonoscopy (noun)

1. A medical procedure in which a doctor examines the inside of the colon using a long, flexible tube with a camera and light on the end.
2. A medical procedure in which a doctor examines the inside of the colon using a long, flexible tube, called a colonoscope, with a camera and light on the end, to look for abnormalities such as polyps or cancer.

Origin:

From colon- ("colon") + -scopy ("examinatio.n")

Examples:

1. A colonoscopy is a test that is used to detect colon cancer.
2. The patient is given a sedative before the colonoscopy to relax them and make the procedure more comfortable.
3. The colonoscope is inserted through the rectum and into the colon, allowing the doctor to view the inside of the colon on a monitor.
4. Colonoscopy is considered as the most effective screening test for colon cancer.
5. The preparation for colonoscopy includes a clear liquid diet and laxatives to clear the colon.