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Bassett Collection of Stereoscopic Images of Human Anatomy

Lumbosacral meninges, spinal cord and nerve roots dissected from behind

Cauda equina, conus medullaris and filum terminale

Image #219-7

KEYWORDS: Central nervous system, Lumbar region, Sacral region, Vertebral column.

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Lumbosacral meninges, spinal cord and nerve roots dissected from behind
Cauda equina, conus medullaris and filum terminale
The lumbar part of the spinal cord has been exposed. The conus medullaris ends at the level of the arch of the second lumbar vertebra.
  1. Lateral cutaneous branch of dorsal branch thoracic nerve XII
  2. Medial intertransverse muscle
  3. Lamina (arch of vertebra) L. I (cut across)
  4. Lateral intertransversarius muscle
  5. Mamillary process vertebra L. II
  6. Dorsal branch lumbar nerve I
  7. Iliocostalis muscle
  8. Spinous process vertebra L. II (partly resected)
  9. Intervertebral joint capsule
  10. Dorsal roots thoracic nerve XII
  11. Denticulate ligament
  12. Intumescentia lumbalis
  13. Latissimus dorsi muscle (cut across)
  14. Cauda equina
  15. Longissimus thoracis muscle
  16. Superior articular surface
  17. Conus medullaris
  18. Filum terminale