The accessory cephalic vein is a variable vein that passes along the radial border of the forearm to join the cephalic veinhttp://dictionary.reference.com/browse/accessory+cephalic+vein (10/15/10) distal/inferior to the elbow. It may arise from a dorsal forearm venous plexus, or from the ulnar/medial side of the dorsal venous network of hand. In some cases the accessory cephalic springs from the cephalic above the wrist and joins it again higher up. A large oblique branch frequently connects the basilic and cephalic veins on the back of the forearm.
See also Cephalic vein
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