Even so, palmar venous return can also done on the dorsal venous network by using perforating branches in the palmar metacarpal arteries to avoid restriction through gripping steps of your hand. The primary veins of your hand are: The scaphoid is at certain possibility of avascular necrosis soon after fracture https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/