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Reference.org
Deep palmar arch
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<p>The deep palmar arch (deep volar arch) is an arterial network found in the palm. It is usually primarily formed from the terminal part of the <a href="/facts/Radial_artery/aRw0Rqy3">radial artery</a>. The <a href="/facts/Ulnar_artery/fNYEn2xb">ulnar artery</a> also contributes through an <a href="/facts/Anastomosis/fScK17o8">anastomosis</a>. This is in contrast to the <a href="/facts/Superficial_palmar_arch/2YqDenPV">superficial palmar arch</a>, which is formed predominantly by the <a href="/facts/Ulnar_artery/fNYEn2xb">ulnar artery</a>. </p>