Stimulus

Definition:
A stimulus is anything capable of evoking a response in an organism. Stimuli can include irritants, sights, sounds, touch, heat, cold, smells, or other sensations.


Review Date: 5/6/2003
Reviewed By: David Webner, M.D., Department of Family Medicine, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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