Identify the following:

1. terminal ileum

2. right external iliac artery

3. right internal iliac artery

4. left external iliac artery

5. left internal iliac artery

6. right common iliac vein

7. left common iliac vein

8. sigmoid arteries

9. superior rectal artery

10. small bowel

11. small bowel mesentery

12. descending colon

13. gluteus maximus

14. gluteus medius

15. iliacus