Arteries

Ulnar artery
  • Enters the palm superficial to the flexor retinaculum
  • Gives rise to the superficial palmar arch
  • Supplies the four medial (ulnar) fingers
Radial artery
  • Enters the palm from the floor of the anatomical snuffbox
  • Gives rise to the deep palmar arch
  • Supplies the thumb and lateral (radial) side of the index finger
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Image Source: Anatomy and Cell Biology, Queen's University



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