palmar arch
Anatomy
noun
1(More fully superficial palmar arch) an arterial arch that crosses the palm of the hand superficial to the flexor tendons, formed by the terminal portion of the ulnar artery and a superficial branch of the radial artery.
2(More fully deep palmar arch) an arterial arch that crosses the palm deep to the flexor tendons, formed by the terminal portion of the radial artery and a deep branch of the ulnar artery.
Origin
Late 18th century.
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