Which term indicates proximity or nearness?

The term that indicates proximity or nearness is "proxim/o." In medical terminology, "proxim/o" stems from the Latin root "proximus," meaning "nearest" or "closest." It is often used to describe structures that are located closer to a point of reference, such as the trunk of the body or the beginning of a limb. For example, in anatomy, the term "proximal" is used to describe a location nearer to the center of the body compared to another part.

Other choices are derived from different roots that refer to unrelated concepts. "Medi/o" generally refers to the middle or center, commonly used in terms like "medial." "Pleur/o" relates to the pleura, which is the membrane surrounding the lungs, and "lumb/o" pertains to the lumbar region of the back. Each of these terms has distinct meanings and uses that do not convey the idea of proximity.