Identify the following:

1. right kidney

2. left kidney

3. left ureter

4. superior mesenteric vein

5. superior mesenteric artery

6. ascending colon

7. transverse colon

8. descending colon

9. duodenum

10. aorta

11. inferior vena cava

12. small bowel

13. external oblique

14. internal oblique

15. transversus abdominis

16. latissimus dorsi

17. erector spinae