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Deep palmar arch

Arcus palmaris profundus · Hluboký dlaňový tepenný oblouk

Heart & arteries

Looks like

An arch of artery lying deep in the palm on the bases of the hand bones, about a finger's width closer to the wrist than the superficial arch.

What it does

Mainly from the radial artery; feeds the deep hand muscles, the bones and, through linking vessels, the fingers.

Keeping it well

Linked with the superficial arch, so the hand usually survives loss of one forearm artery; hand surgeons respect both.

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