Superior

Toward the head end or upper part of a structure or the body; above

Example:

The head is superior to the sternal.

Inferior

Away from the head end or toward the lower part of a structure or the body; below.

Example:

The pelvic is inferior to the umbilical.

Anterior

Toward or at the front of the body; in front of

Example:

The breastbone is anterior to the spine.

Posterior

Toward or at the backside of the body; behind

Example:

The heart is posterior to the breastbone.

Medial

Toward or at the midline of the body; on the inner side of

Example:

The nose is medial.