| A | B |
|---|
| superior (cranial or cephalad) | toward the head end or upper part of a structure or body, above |
| inferior (caudal) | away from the head end or toward the lower part of a structure or the body; below |
| anterior (ventral) | toward or at the front of the body, in front of |
| posterior (dorsal) | toward or at the backside of the body, behind |
| medial | toward or at the midline of the body, on the inner side of |
| lateral | away fron the midline of the body, on the outer side |
| intermediate | between a more medial and a more lateral structure |
| proximal | close to the origin of the body part or the point of attachment of a limb to the body trunk |
| distal | farther from the origin of a body part or the point of attachment of a limb to the body trunk |
| superficial (external) | toward or at the body surface |
| deep (internal) | away from the body surfacee; more internal |
