Spinal nerve compression

The spinal nerve is a mixed nerve whose sensory fibers begin in pseudounipolar neurons of the spinal ganglia. The central processes of pseudomonopolar neurons form the posterior roots into the spinal cord; the peripheral processes join the spinal nerves and are distributed in the skin, muscles, joints, and viscera, etc., and transmit the impulse of the body and internal organs to the center. Motor fibers are composed of anterior horns of the spinal gray matter, thoracolumbar lateral horns, and axons of motor neurons in the parasacral sympathetic nucleus. Compression of the spinal nerve can cause numbness in the limbs, and limited sensory and motor functions.

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