Which term is used to describe a position that is further from the surface of the body?

The term that describes a position further from the surface of the body is "deep." In anatomical terminology, "deep" is used to indicate structures that are located farther away from the outer surface or layers of the body. For instance, muscles located beneath the skin are considered deep compared to the skin itself, which is superficial.

Understanding this term is important in medical contexts, as it helps to accurately describe the location of organs, tissues, and injuries. In contrast, terms like "superficial" refer to structures closer to the surface. The other terms, "external" and "internal," are also related to body positioning but do not specifically denote depth; "external" generally refers to something outside the body, while "internal" refers to something inside it. Therefore, "deep" precisely captures the concept of being further from the body's surface.