1 — Vesical venous plexus; 2 — Vesical veins; 3 — Right external iliac vein; 4 — Obturator veins; 5 — Uterine veins; 6 — Superior gluteal vein; 7 — Right internal iliac vein; 8 — Inferior vena cava; 9 — Lateral sacral vein; 10 — Inferior gluteal veins; 11 — Internal pudendal vein; 12 -Middle rectal veins (Rectal venous plexus); 13 — Uterine venous plexus; Vaginal venous plexus
