extensor

extensor definition - medical

ex·ten·sor (ĭk-stĕnˈsər)

noun
A muscle that extends or straightens a limb or body part.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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