long radial extensor muscle of wrist


A muscle with origin from the humerus, with insertion to the base of the second metacarpal bone, with nerve supply from the radial nerve, and whose action extends and deviates the wrist toward the radius.

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