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Dissection of anterior aspect of vertebral column

Lumbar region.

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Image #221-1
Bassett Image
Diagram Image
Legend Image
Dissection of anterior aspect of vertebral column
Lumbar region.
Parts of the lumbar vertebrae and the body of the sacrum have been cut away to expose the lower end of the dural sac. The entire iliopsoas muscle has been uncovered by removing surrounding soft tissues.
  1. Medial diaphragmatic arcuate ligament (medial lumbar arch)
  2. Sympathetic trunk
  3. Psoas major muscle
  4. Body of vertebra L. V (cut in saggital plane)
  5. Iliac crest
  6. Iliacus muscle
  7. Greater trochanter of femur
  8. Minor trochanter
  9. Anterior longitudinal ligament (joined above this level by right crus of diaphragm which has been cut off)
  10. Dura mater (lying within vertebral canal)
  11. Femoral nerve
  12. Sacrum
  13. Lumbosacral trunk
  14. Piriform muscle
  15. Pubic bone
  16. Obturator externus muscle