excitation

excitation definition - medical

ex·ci·ta·tion (ĕkˌsī-tāˈshən)

noun
  1. The act of increasing the rapidity or intensity of the physical or mental processes; stimulation.
  2. The complete, all-or-none response of a nerve or muscle to an adequate stimulus, ordinarily including propagation of excitation along the membranes of the cell or cells involved.

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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