Spinal Dural Sac, Nerve Root Cuffs, Rootlets, and Nerve Roots

Fig. 19.1

Dissection of human dural sac. (a) The spinal ligaments have been partially dissected. (b) Detail of dural sac and epidural vein

Fig. 19.2

Complete dissection of human dural sac

Fig. 19.3

The image shows the posterior arch from within the spinal canal once the spinous processes has been removed. Epidural veins and epidural fat can be identified. (a) lumbar region, (b) lower thoracic region

Fig. 19.4

Epidural veins in the posterior epidural space at lumbar region. (a, b) images obtained from different samples

Fig. 19.5

Detail of the dorsal surface of the nerve root cuff at the cervical level and dural sac

Fig. 19.6

Detail of the nerve root cuff and dural sac at cervical level. (a) Dorsal surface. (b) Ventral surface (From Reina [1]; with permission)

Fig. 19.7

Details of dorsal dural sac and nerve root cuff (a) at the cervical region (b) cervico-thoracic region

Fig. 19.8

Detail of dorsal surface from dural sac and nerve root cuff. (a) Cervical level. (b) Thoracic level

Fig. 19.9

(a, b) Detail of the ventral surface of dural sac and nerve root cuff at cervical level from different cadavers (From Reina et al. [3]; with permission)