colonoscopy

colonoscopy is a medical noun for a procedure that lets a doctor visually examine the inside of the colon, or large intestine. It often appears in contexts of screening, diagnosis, colorectal cancer checks, and findings such as polyps. But how do you use it naturally in English: “have a colonoscopy,” “undergo a colonoscopy,” or “perform a colonoscopy”? And what is the difference between a colonoscopy, a colonoscope, and a virtual colonoscopy? This lesson looks at the core meaning, useful word family, and common medical combinations so the term feels clearer when you hear or read it. Watch the full lesson to learn the word in context.