radial nerve


n.

A nerve that arises from the posterior cord of the brachial plexus and divides into two terminal branches, designated superficial and deep, that supply muscular and cutaneous branches to the dorsal aspect of the arm and forearm.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.