Which type of scope is used to visualize the lower part of the large intestine?

A colonoscope is used to visualize the lower part of the large intestine, specifically the colon and rectum. This flexible, tube-like instrument is equipped with a light and camera, allowing doctors to examine the inner lining for abnormalities such as polyps or inflammation. Colonoscopy is often performed for screening or diagnostic purposes in gastrointestinal health.