What term refers to the sole of the foot?

The term that refers to the sole of the foot is "plantar." In anatomical terminology, the word "plantar" specifically describes the underside or sole of the foot, distinguishing it from other regions of the body. It is derived from the Latin word "planta," which means "sole of the foot."

In contrast, "medial" refers to a position closer to the midline of the body, and while it is a directional term, it does not pertain to specific body parts like the foot. "Palmer" relates to the palm of the hand, indicating its specific region, while "dorsal" describes the back or upper side of a structure, such as the back of the hand or the top of the foot. Thus, among these terms, "plantar" is the only one correctly used to refer to the sole of the foot, emphasizing its specific anatomical relevance.