The sensory/motor nerve giving feeling and sense to the inner side of the forearm and hand. The fibers originate from the fifth through the eighth spinal nerve roots, eventually passing through the brachial plexus.

RADIAL NERVE: "The radial nerve innervates the inside of the forearm and hand, including the thumb."
Cite this page: N., Pam M.S., "RADIAL NERVE," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/radial-nerve/ (accessed July 6, 2020).