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ulnar extensor muscle of wrist in Medicine

ulnar extensor muscle of wrist

n.
  1. A muscle with origin from the humerus and the ulna, with insertion to the base of the fifth metacarpal bone, with nerve supply from the radial nerve, and whose action extends and abducts the wrist toward the ulna.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.