What is the definition of the term "poster" in medical terminology?

The term "poster" in medical terminology is derived from the Latin word "posterus," which means "behind." It is used to denote structures that are located towards the back of the body or related to the back side of an anatomical structure. In the context of anatomy, when something is described as posterior, it indicates that it is positioned towards the rear or back relative to another part. This understanding is fundamental in the field of medicine as it helps professionals communicate location and positioning accurately when discussing bodily structures or conditions.