Citation:
In the context of anatomy and physiology, superior refers to a position above or higher than another part of the body. It indicates a relative location where one structure is located towards the head end or upper part of the body.
Refers to a position below or lower than another part of the body, opposite to superior.
Indicates a position towards the front of the body or nearer to the face.
Indicates a position towards the back of the body or nearer to the spine