Middle collateral artery

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The middle collateral artery is one of the two terminal branches of the deep brachial artery. As it descends in the distal part of the posterior compartment of the arm, it contributes to the arterial anastomosis of the elbow specifically the interosseous recurrent artery which is the proximal continuation of the posterior interosseous artery (from the ulnar artery) in the proximal posterior compartment of the forearm.