Fig. 7. RPDA, UPDA from the typical SPA through the first CPDA. CPDA, common palmar digital artery; 1, 2, 3, 4, CPDA; DMA, digiti minimi artery; RA, radial artery; RIA, radialis indicis artery; RPDA, radial palmar digital artery; SPA, superficial palmar arch; SPBRA, superficial palmar branch of radial artery; UA, ulnar artery; UPDA, ulnar palmar digital artery.
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