Science Fair Project Encyclopedia
Stimulus (physiology)
In physiology, a stimulus is a detectable change in the internal or external environment.
When a stimulus is applied to a sensory receptor, it elicits or influences a reflex via stimulus transduction.
A stimulus is often the first component of a homeostatic control system.
Last updated: 05-07-2005 09:12:14
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


