median antebrachial vein
nounMedical Definition of median antebrachial vein
: a vein that is usually present in the forearm, that drains the plexus of veins in the palm of the hand, and that runs up the little-finger side of the forearm to join the median cubital vein or may divide into two branches to join the cephalic and basilic veins or may be missing as a recognizably distinct vessel