They drain the superficial venous palmar arch[dubious – discuss].

[1] They arise in the hand and terminate by uniting with the radial veins to form the brachial veins.

They mostly drain the medial aspect of the forearm.

[citation needed] They receive the venae comitantes of the anterior and posterior interosseous arteries near the elbow, as well as a large branch from the median cubital vein.

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