extensor muscle of little finger


A muscle with its origin from the lateral epicondyle of the humerus, with insertion to the dorsum of the proximal, middle, and distal phalanges of the little finger, with nerve supply from the radial nerve, and whose action extends the little finger.


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