Fig. 11. UPDA and radialis indicis artery arise from the FDMA, a direct branch of radial artery. FDMA, first dorsal metacarpal artery; RA, radial artery; RIA, radialis indicis artery; UPDA, ulnar palmar digital artery, according to Gnanasekaran and Veeramani [
18]. Adapted from Gnanasekaran and Veeramani. Surg Radiol Anat 2019;41:791-9 [
18].