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deep branch of radial nerve


Definition: originates in cubital fossa (with superficial branch) as termination of (common) radial nerve; pierces supinator, supplying it and other extensors of forearm. Its terminal portion is the posterior interosseous nerve, which runs between the superficial and deep layers of extensor muscles in the distal third of the forearm.

Synonym(s): ramus profundus nervi radialisTA

See Also: posterior interosseous nerve

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.