Bassett Collection of Stereoscopic Images of Human Anatomy

Exploration of the spinal cord and meninges in situ

Cauda equina, conus medullaris and filum terminale

Image #33-7

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

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Exploration of the spinal cord and meninges in situ
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 . Posterior lateral cutaneous branch of thoracic nerve XII
2 . Posterior intertransverse muscle
3 . Arch of lumbar vertebra I (cut across)
4 . Lateral intertransverse muscle
5 . Mamillary processs lumbar vertebra II
6 . Posterior branch of lumbar nerve I
7 . Dorsal iliocostal muscle
8 . Spinous process lumbar vertebra II (partly resected)
9 . Joint capsule of intervertebral articulation
10 . Dorsal root thoracic nerve XII
11 . Denticulate ligament
12 . Lumbar enlargement
13 . Latissimus dorsi muscle (cut across)
14 . Cauda equina
15 . Longissimus dorsi muscle
16 . Superior articular surface lumbar vertebra II
17 . Conus medullaris
18 . Filum terminale
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