Exploration of the spinal cord and meninges in situ

General view of spinal cord; meninges removed

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Image #32-3
Bassett ImageDiagram Image
Legend Image
Exploration of the spinal cord and meninges in situ
General view of spinal cord; meninges removed
The vertebral arches have been cut away with the exception of the left half of the second lumbar arch and spine (16). This spine serves as a land-mark in the close-up studies of the lumbar region which follow and is a guide to the location of the termination of the spinal cord.
1 . Cervical part spinal cord
2 . Thoracic part spinal cord
3 . Lumbar part spinal cord (lower pointer on conus medullaris)
4 . Dorsal root cervical nerve II
5 . Semispinalis capitis muscle (reflected)
6 . Splenius capitis and cervicis muscles (reflected)
7 . Trapezius muscle (cut across)
8 . Levator scapulae muscle
9 . Scapular-vertebral margin
10 . Cut surface of vertebral arch
11 . Trapezius muscle (cut across)
12 . Levator costarum muscle
13 . Dorsal iliocostal muscle
14 . Longissimus dorsi muscle
15 . Latissimus dorsi muscle
16 . Spinous process lumbar vertebra II
17 . Cauda equina
18 . Parts of longissimus dorsi muscle
19 . Subarachnoid space (lumbar cistern)
20 . Filum of dura mater