Reference Terms
from Wikipedia, the free encyclopedia

Pain

Pain's an unpleasant sensation which may be associated with actual or potential tissue damage and which may have physical and emotional components.

According to the International Association for the Study of Pain (IASP), one should distinguish between pain and nociception.

Note:   The above text is excerpted from the Wikipedia article "Pain", which has been released under the GNU Free Documentation License.
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August 30, 2015

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updated 12:56 pm ET