Dissection of anterior aspect of vertebral column

Lumbar region.

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Image #221-4

Dissection of anterior aspect of vertebral column

Lumbar region.

The specimen shown in the preceding view has been turned to expose the left lateral aspect of the vertebral column.

1. Hemiazygos vein
2. Rami communicantes
3. Right crus of diaphragm
4. Lumbar artery and vein III
5. Sympathetic trunk
6. Body of vertebra L. IV (pointer on anterior longitudinal ligament)
7. Lumbar nerve IV (emerging through intervertebral foramen)
8. Intervertebral disc L. IV - V
9. Left common iliac vein (cut off)
10. Obturator nerve
11. Psoas major muscle (cut off)
12. Quadratus lumborum muscle (cut off)
13. Upper pointer: Iliohypogastric nerve Lower pointer: Ilioinguinal nerve
14. Transverse process of vertebra L. II
15. Lumbar nerve II
16. Ascending lumbar vein
17. Intervertebral joint capsule
18. Lumbar nerve III
19. Mamillary process vertebra L. IV
20. Upper pointer: Accessory process vertebra L. IV Lower pointer: Intertransverse ligament
21. Spinous process vertebra L. IV
22. Interspinous ligament
23. Supraspinous ligament
24. Interosseous sacroiliac ligament
25. Femoral nerve
26. Lumbosacral trunk