1 — Obturator artery; 2 — Inferior gluteal artery; 3 — Superior gluteal artery; 4 — Internal iliac artery; 5 — Sigmoid arteries; 6 — Common iliac artery; 7 — Superior rectal artery; Inferior mesenteric artery; 8 — Inferior mesenteric artery; 9 — Abdominal aorta; 10 — Inferior vena cava;
11 — Median sacral artery; 12 — Median sacral vein; 13 — Levator ani; 14 — Inferior rectal artery; 15 — Internal pudendal artery; 16 — Middle
rectal artery; Internal iliac artery
