Definitions for radial nerve

This page provides all possible meanings and translations of the word radial nerve

Princeton's WordNet

  1. radial nerve, nervus radialis, musculospiral nerve(noun)

    largest branch of the brachial plexus; extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the underlying extensor muscles

Wiktionary

  1. radial nerve(Noun)

    A large nerve, carrying both sensory and motor neurones, that supplies the dorsal aspect of the forearm and arm

Freebase

  1. Radial nerve

    The radial nerve is a nerve in the human body that supplies the upper limb. It supplies the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm and the associated joints and overlying skin. It originates from the posterior cord of the brachial plexus, carrying fibers from the ventral roots of spinal nerves C5, C6, C7, C8 & T1. The radial nerve and its branches provide motor innervation to the dorsal arm muscles and the extrinsic extensors of the wrists and hands; it also provides cutaneous sensory innervation to most of the back of the hand. The ulnar nerve provides cutaneous sensory innervation to the back of the little finger and adjacent half of the ring finger. The radial nerve divides into a deep branch, which becomes the posterior interosseous nerve, and a superficial branch, which goes on to innervate the dorsum of the hand.

U.S. National Library of Medicine

  1. Radial Nerve

    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.

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