1 — Ulnar artery; 2 — Anterior interosseous artery; 3 — Ulnar artery, palmar carpal branch; 4 — Flexor carpi ulnaris; Tendon; 5 — Ulnar artery, deep palmar branch; 6 — Deep palmar arch; 7 — Perforating branches; 8 — Palmar metacarpal arteries; 9 — Proper palmar digital arteries; 10 — Common palmar digital arteries; 11 — Princeps pollicis artery, branches; 12 — Radialis indicis artery; 13 — Adductor pollicis; 14 — Princeps pollicis artery; 15 — Radial artery; 16 — Radial artery, palmar carpal branch; 17 — Brachioradialis; Tendon; 18 — Pronator quadratus
