Identify the following:
1. right external iliac artery
2. left external iliac artery
3. right external iliac vein
4. left external iliac vein
5. rectum
6. bladder
7. seminal vesicle
8. right ureter
9. inferior epigastric vessels
10. gluteus maximus
11. gluteus medius
12. gluteus minimus
13. obturator internus
14. tensor fascia lata
15. rectus abdominis