Bassett Collection of Stereoscopic Images of Human Anatomy

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Exploration of the spinal cord and meninges in situ

Roots and ganglion of 10th thoracic nerve

Image #33-4

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

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Exploration of the spinal cord and meninges in situ

Roots and ganglion of 10th thoracic nerve

The articular processes of the tenth and eleventh thoracic vertebrae have been cut away on the right side to reveal the lateral course of the 10th thoracic spinal roots. Subarachnoid spaces extend only a millimeter or two along the anterior and posterior roots after they pierce the dura mater. A narrow bridge of dura intervenes between the motor and sensory roots. A mass of plexiform veins was removed from the intervertebral foramen.

1 .	Thoracic part spinal cord
2 .	Internal vertebral venous plexus
3 .	Superior articular surface thoracic vertebra XI
4 .	External posterior spinal vein
5 .	Vein within arch of 11th thoracic vertebra
6 .	Levator costarum muscle
7 .	Ligamentum flavum
8 .	Superior articular process thoracic vertebra XII
9 .	Superior articular process thoracic vertebra X
10 .	Dura mater
11 .	Dorsal root thoracic nerve X
12 .	Spinal branch of intercostal artery (anterior root of nerve lies just above this)
13 .	Spinal ganglion thoracic nerve X
14 .	Posterior branch of thoracic nerve X
15 .	Transverse process thoracic vertebra XI
16 .	Longissimus dorsi muscle
17 .	Ligamentum intertransversarium
18 .	Inferior articular process thoracic vertebra XI