Fig. 4. Vessels of the upper extremity.

(A) The basilic vein (white arrow) shows through the skin on the ventral side of the upper wing. The ulnar artery (black arrow) also shows through the skin of the lower wing. (B) The basilic vein (white arrow) lies on the skin flap and the brachial artery lies on the fascia of the biceps brachii muscle. A microvascular clamp was applied on the brachial artery. (C) The ulnar artery (white arrow) and radial artery (black arrow). (D) A microvascular clamp was applied on the ulnar artery.