When referring to anatomical directions, how is 'posterior' best defined?

The term 'posterior' is best defined as relating to the back of the body. In anatomical terminology, understanding the directionality of terms like 'posterior' is crucial for accurately describing locations and relationships of various body parts.

When using 'posterior,' the reference point is typically the standard anatomical position, where the individual is standing upright with their arms at their sides and palms facing forward. In this position, the back of the individual is oriented towards the posterior. Therefore, structures that are located towards the back side of the body, such as the spine or the calves in upright standing, are described as being posterior.

This definition helps to convey precise information in medical and anatomical contexts, aiding professionals in communication about bodily locations and orientations effectively.