radial nerve

radial nerve
radial nerve n a large nerve that arises from the posterior cord of the brachial plexus and passes spirally down the humerus to the front of the lateral epicondyle where it divides into a superficial branch distributed to the skin of the back of the hand and arm and a deep branch to the underlying extensor muscles called also musculospiral nerve, nervus radialis

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an important mixed sensory and motor nerve of the arm, forming the largest branch of the brachial plexus. It extends downwards behind the humerus, supplying muscles of the upper arm, to the elbow, which it supplies with branches, and then runs parallel with the radius. It supplies sensory branches to the base of the thumb and a small area of the back of the hand.

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nervus radialis.

Medical dictionary. 2011.

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  • radial 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 • Syn: ↑nervus… …   Useful english dictionary

  • radial nerve — noun A large nerve, carrying both sensory and motor neurones, that supplies the dorsal aspect of the forearm and arm …   Wiktionary

  • radial nerve — an important mixed sensory and motor nerve of the arm, forming the largest branch of the brachial plexus. It extends downwards behind the humerus, supplying muscles of the upper arm, to the elbow, which it supplies with branches, and then runs… …   The new mediacal dictionary

  • Deep branch of radial nerve — Nerve: Deep branch of radial nerve The suprascapular, axillary, and radial nerves. (Deep branch of radial labeled at right.) Latin ramus profundus nervi radialis, nervus interosseus dorsalis Gray s …   Wikipedia

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  • Cutaneous branches of the radial nerve — The cutaneous branches of the radial nerve are two in number: Posterior brachial cutaneous nerve Dorsal antibrachial cutaneous nerve This disambiguation page lists articles associated with the same title. If an intern …   Wikipedia

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