| A | B |
|---|
| SUPERIOR (CEPHALIC OR CRANIAL) | TOWARD THE HEAD OR TOWARD THE UPPER PART OF A STRUCTURE |
| INFERIOR (CAUDAL) | AWAY FROM THE HEAD, OR TOWARD THE LOWER PART OF A STRUCTURE |
| ANTERIOR (VENTRAL) | NEARER TO OR AT THE FRONT OF THE BODY |
| POSTERIOR (DORSAL) | NEARER TO OR AT THE BACK OF THE BODY |
| MEDIAL | NEARER THE MIDLINE |
| LATERAL | FURTHER FROM THE MIDLINE |
| INTERMEDIATE | BETWEEN 2 STRUCTURES |
| IPSILATERAL | ON THE SAME SIDE OF THE BODY AS ANOTHER STRUCTURE |
| CONTRALATERAL | ON THE OPPOSITE SIDE OF THE BODY FROM ANOTHER STRUCTURE |
| PROXIMAL | NEARER TO THE ATTACHMENT OF A LIMB TO THE TRUNK; NEARER TO THE POINT OF ORIGIN |
| DISTAL | FURTHER FROM THE ATTACHMENT OF A LIMB TO THE TRUNK; FARTHER FROM THE POINT OF ORIGIN |
| SUPERFICIAL | TOWARD OR ON THE SURFACE OF THE BODY |
| DEEP | AWAY FROM THE SURFACE OF THE BODY |
| TERM WITH SAME MEANING AS ANTERIOR | VENTRAL |
| TERM WITH SAME MEANING AS POSTERIOR | DORSAL |
| TERM WITH SAME MEANING AS SUPERIOR | CEPHALIC OR CRANIAL |
| TERM WITH SAME MEANING AS INFERIOR | CAUDAL |
