Cervical meninges, spinal cord and nerve roots dissected from behind

General view of spinal cord in situ

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Image #217-2
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Cervical meninges, spinal cord and nerve roots dissected from behind
General view of spinal cord in situ
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 landmark in the close-up studies of the lumbar region which follow (219-5,219-6,219-7)and is a guide to the location of the termination of the spinal cord.
1 . Cervical part spinal cord
2 . Spinal cord thoracic part
3 . Spinal cord lumbar part (lower pointer on conus medullaris)
4 . Dorsal roots 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 . Medial margin of scapula
10 . Cut surface of vertebral arch
11 . Trapezius muscle (cut across)
12 . Levator costarum muscle
13 . Iliocostalis muscle
14 . Longissimus thoracis muscle
15 . Latissimus dorsi muscle
16 . Spinous process vertebra L. II
17 . Cauda equina
18 . Parts of longissimus thoracis muscle
19 . Subarachnoid space (lumbar cistern)
20 . Filum terminale