Figure 1125

Posterior view of exposed spinal cord. Note that each spinal nerve emerges from the cord by a number of dorsal (posterior) and ventral (anterior) roots. Note the dura mater (the outer layer of the meninges) and the denticulate ligaments of the pia mater, which anchor the spinal cord to the wall of the spinal canal. (From Barr ML, Kiernan JA. The Human Nervous System. New York: Harper a Row, 198b.)

roots of spinal nerve denticulate ligament roots of spinal nerve dura mater dorsal root ganglion dorsal roots of spinal nerve

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