stimulus

stimulus definition - medical

stim·u·lus (stĭmˈyə-ləs)

noun pl. stim·u·li (-līˌ)
  1. A stimulant.
  2. That which can elicit or evoke an action or response in a cell, an excitable tissue, or an organism.

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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