Iliac 2 Sigmoid colon ureter Vas deferens Internal iliac a rtery External iliac artery External iliac vein bladder External iliac artery External iliac vein Vas deferens Sigmoid colon bladder Abdominal aorta

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9a Sigmoid colon

13 Ureter

18 Vas deferens (testicular duct)

29. Internal iliac artery

29a. External iliac artery

30a. External iliac vein

31 Abdominal aorta

bladder