Deep palmar venous arch
(Redirected from Deep venous palmar arch)
Deep Palmar Venous Arch[edit | edit source]
The deep palmar venous arch is an important anatomical structure located in the palm of the hand. It is formed by the convergence of several veins and plays a crucial role in the venous drainage of the hand.
Anatomy[edit | edit source]
The deep palmar venous arch is formed by the union of the radial and ulnar veins, which are the major veins of the forearm. These veins enter the hand through the anatomical snuffbox, a triangular depression located on the radial side of the wrist. Once inside the hand, the radial and ulnar veins join together to form the deep palmar venous arch.
The deep palmar venous arch gives rise to several branches that drain blood from the palm and fingers. These branches include the digital veins, which accompany the digital arteries and drain the fingers, and the princeps pollicis vein, which drains the thumb. Additionally, the deep palmar venous arch communicates with the superficial palmar venous arch, which is located more superficially in the palm.
Function[edit | edit source]
The deep palmar venous arch serves as a major pathway for the venous return from the hand. It collects deoxygenated blood from the palm and fingers and transports it back to the heart. The deep palmar venous arch also plays a role in regulating blood flow and maintaining proper circulation in the hand.
Clinical Significance[edit | edit source]
In certain medical conditions, the deep palmar venous arch can be affected, leading to venous disorders. Deep vein thrombosis (DVT) is a condition characterized by the formation of blood clots in the deep veins, including the deep palmar venous arch. DVT can cause pain, swelling, and potentially serious complications if the blood clot dislodges and travels to other parts of the body.
References[edit | edit source]
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See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD