Definition: Disease involving a spinal nerve root (see SPINAL NERVE ROOTS) which may result from compression related to INTERVERTEBRAL DISK DISPLACEMENT; SPINAL CORD INJURIES; SPINAL DISEASES; and other conditions. Clinical manifestations include radicular pain, weakness, and sensory loss referable to structures innervated by the involved nerve root.
disease of a single spinal nerve root; do not confuse with POLYRADICULOPATHY (disease of several spinal nerve roots) nor with POLYRADICULONEUROPATHY (disease of both spinal nerve roots & peripheral nerves)