Superior
to be above another structure
Inferior
to be below another structure
Anterior
to be in front of another structure
Posterior
to be behind another structure
Medial
to be along the midline axis of the body
Lateral
to be away from the midline of the body
Proximal
to be closer to the main axis of the body
Distal
to be at a distance from, to be further from, the main axis of the body
Intermediate
to be between two structures, either between distal and proximal structures or between lateral and medial structures
Deep
to be further from the surface of the body than is another structure
Superficial
to be closer to the surface of the body than is another structure
Cranial
to mean specifically "towards the head
Caudal
to mean specifically "towards the tail