netter14

NEUROPHYSIOLOGY

Spinał Cord: Membranes and Nerve Rools

Posterior view

Ventral ramus ot spinał nerve Dorsal ramus of spinał nerve

Ventral root of spinał nerve Dorsal root of spina! norve Spinał sensory (dorsal root) ganglion

Membranes removed: anterior view (greatly magnified)

Figurę 2.13 Spinał Membranes and Nerve Roots

The spinał cord grves rise to ił pairs of spinał ncrves that distribute segmentalły to the body. Motor fibers of these spinał nerves inner-vałc skeietal muscle, and sensory fibers convey Information back to the central nervous system from the skin, skełetal muscles, and joint;

The spinał cord is ensheathed in three meningeal coverings: the outer, tough dura mater; the arachnoid mater; and the pia mater, which inlimately ensheaths the cord itself. CSF bathes the cord and is found in the subarachnoid space.

24