contraction

contraction definition - medical

con·trac·tion (kən-trăkˈshən)

noun
  1. The act of contracting or the state of being contracted.
  2. The shortening and thickening of functioning muscle or muscle fiber.

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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