To which body part does the root "Cost" refer?

The root "Cost" specifically refers to the ribs. This anatomical term comes from the Latin word "costa," which means rib. In medical terminology, roots such as "cost" are often used to denote structures associated with the thoracic region of the body. For example, terms like "costal" relate to the ribs, and "costochondritis" refers to inflammation of the cartilage connecting the ribs to the sternum.

Understanding such terminology is crucial for healthcare professionals, particularly in fields like combat medicine, where clarity in communication and comprehension of anatomical structures can significantly impact patient care and treatment decisions.