Definition

Radiculopathy refers to disease of the spinal nerve roots (from the Latin radix for root). Radiculopathy produces pain, numbness, or weakness radiating from the spine.

Description

At the joints between the vertebrae, sensory nerves (nerves conducting sensory information toward the central nervous system) and motor nerves (nerves conducting commands to muscles away from the central nervous system) connect to the spinal cord. Each spinal nerve divides or fans out just before merging with the spinal cord. These smaller, separate nerve bundles are termed the roots of the nerve because they are reminiscent of the way the roots of a plant divide in the ground.

Damage to the spinal nerve roots can lead to pain, numbness,...