What does the term 'proximal' refer to in anatomy?

In anatomy, the term 'proximal' specifically refers to a position that is nearer to the trunk or the point of origin of a limb or structure. This term is often used in contrast to 'distal,' which indicates a position farther from the trunk. For instance, in discussing the anatomy of the arm, the elbow is considered proximal to the wrist because it is closer to the trunk of the body. Understanding these directional terms is fundamental in anatomy, as they provide clear and precise communication about the locations of various body structures relative to each other. This clarity is essential for medical professionals, particularly when assessing injuries or planning treatment methods.