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Medical Dictionary

palmar arch

noun

Medical Definition of palmar arch

  1. :  either of two loops of blood vessels in the palm of the hand:a:  a deeply situated transverse artery that is composed of the terminal part of the radial artery joined to a branch of the ulnar artery and that supplies principally the deep muscles of the hand, thumb, and index finger—called also deep palmar archb:  a superficial arch that is the continuation of the ulnar artery which anastomoses with a branch derived from the radial artery and that sends branches mostly to the fingers—called also superficial palmar arch




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