Anatomy
radial nerve
[ rey-dee-uhl nurv ]
Subclass of:
Brachial plexus
Definitions related to radial nerve:
  • (nerve, radial) A nerve extending from the brachial plexus traveling the length of the arm/forelimb, which innervates the extensor muscles of the elbow, carpus and phalanges, as well as the skin on the dorsal aspect of the carpus, metacarpus and digits.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A large nerve that arises from the brachial plexus and enervates the extensor muscles and skin of the entire upper limb's posterior aspect.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • A major nerve of the upper extremity. In humans the fibers of the radial nerve originate in the lower cervical and upper thoracic spinal cord (usually C5 to T1), travel via the posterior cord of the brachial plexus, and supply motor innervation to extensor muscles of the arm and cutaneous sensory fibers to extensor regions of the arm and hand.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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