Identify the following:

1. right external iliac artery

2. right internal iliac artery

3. left external iliac artery

4. left internal iliac artery

5. right external iliac vein

6. right internal iliac vein

7. left external iliac vein

8. left internal iliac vein

9. sigmoid vessels

10. superior rectal vessels

11. small bowel

12. descending colon

13. gluteus maximus

14. gluteus medius

15. gluteus minimus

16. iliacus