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词汇 palmar arch
释义

Definition of palmar arch in English:

palmar arch

noun
Anatomy

  • 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.

Definition of palmar arch in US English:

palmar arch

noun
Anatomy

  • 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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