preaxial

Situated in front of or superior to the median axis of the body or a body part.

Of, pertaining to, or situated upon that side of the axis of either fore or hind limb of a vertebrate which is anterior when the limb is extended at a right angle with the long axis of the body: the opposite of postaxial.

Situated in front of any transverse axis in the body of an animal; anterior; cephalic; esp., in front, or on the anterior, or cephalic (that is, radial or tibial) side of the axis of a limb.

Located in front of an axis