Which suffix refers to the process of visually examining?

The suffix that refers to the process of visually examining is "-scopy." This term originates from the Greek word "skopein," which means to look or to examine. In medical terminology, "-scopy" is used to describe procedures that involve visual inspection or examination of internal structures of the body, often using specialized instruments such as endoscopes or microscopes. For example, a colonoscopy refers to examining the inside of the colon, while a bronchoscopy involves visualizing the airways in the lungs.

The other suffixes provided relate to different medical concepts: "-tomy" refers to cutting or surgical incisions, "-gram" pertains to a written or recorded image or representation (like in an x-ray), and "-oma" indicates a tumor or swelling. Understanding these distinctions is essential for interpreting medical terminology accurately.