Bassett Collection of Stereoscopic Images of Human Anatomy

Exploration of the spinal cord and meninges in situ

Epidural space in thoracic region

Image #33-2

KEYWORDS: Central nervous system, Meninges, Thoracic 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
Epidural space in thoracic region
The epidural space lying deep to the 5th, 6th, 7th and 8th thoracic vertebrae has been exposed. A window has been cut through the dura to expose the subdural space with the arachnoid membrane in its depths. The subdural space appears unduly large due to the collapse of the underlying arachnoid.
1 . Longissimus dorsi muscle (cut across)
2 . Lateral cutaneous branch of posterior brach of thoracic nerve V
3 . Dorsal iliocostal muscle
4 . Transverse process thoracic vertebrae VI
5 . Levator costarum muscle
6 . Intertransverse ligament
7 . Dorsal root thoracic nerve VII
8 . Thoracic part spinal cord
9 . Posterior costotransverse ligament
10 . Arch of thoracic vertebra VIII
11 . Dorsal semispinalis muscle
12 . Arch of thoracic vertebra V (partly resected)
13 . Lumbodorsal fascia
14 . Fat within epidural space
15 . Internal vertebral venous plexus
16 . Longissimus dorsi muscle
17 . Branch of intercostal artery
18 . Dura mater
19 . Ligamentum flavum (cut across)
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