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Deep Venous Palmar Arch (Right)
Cardiovascular System

Deep Venous Palmar Arch (Right)

Arcus venosus palmaris profundus

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Quick Facts

Origin: Palmar metacarpal veins.

Course: Along the distal bases of the second to fifth metacarpals.

Tributaries: Palmar digital and palmar metacarpal veins.

Drainage: Palmar aspect of the hand.

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The deep palmar arch arises from the palmar metacarpal veins.


The deep palmar arch drains primarily into the radial veins on lateral aspects of the forearm, but also drains into the ulnar veins on the medial aspect of the distal forearm.


The deep palmar arch receives the palmar digital veins of the thumb, palmar metacarpal veins, and the connecting veins from the superficial arch.

Structures Drained

The deep palmar arch aids in the venous drainage of the palmar aspect of the hand.

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A venous sinus is a vein with a thin wall of endothelium that is devoid of smooth muscle to regulate its diameter.

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