Dorsal venous arch of the hand

A part of the human cardiovascular system, the dorsal venous arch of the hand is included in the superficial venous system. It is a set of connections of veins formed by the union of the dorsal metacarpal veins lying in subcutaneous tissues above the metacarpal bones. It drains into the cephalic and basilic veins but most of the blood from the entire hand drains into the arch of the hand. Its main function focuses on the vascular supply of the hand. It does not only receive blood from the palm around the borders of the hand but as well as by veins that go through the interosseous spaces. This way, the pressures on the palm on gripping will fail in slowing down venous return. In addition, the cephalic and basilic veins come up from the dorsal venous arch. These are responsible in joining the deep veins and the lymphatics. These deep veins in the hand and forearm escort the arteries as venae comitantes. The importance of the dorsal venous arch of the hand essentially contributes to the various structures of the hand in the different functions the hand executes in various human activities.
Written and medically reviewed by the Healthline Editorial Team
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In Depth: Dorsal venous arch of the hand

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