What does "append" refer to in the medical term "appendectomy"?

The term "append" in "appendectomy" specifically refers to the appendix, which is a small, tube-like structure attached to the large intestine. An appendectomy is a surgical procedure that involves the removal of the appendix, usually due to inflammation or infection known as appendicitis. Understanding the components of medical terminology is crucial, as "append" directly pertains to the anatomical structure involved in the procedure, which is the appendix itself. This underscores the significance of accurate terminology in identifying medical procedures and the structures they involve.