Reference Terms
from Wikipedia, the free encyclopedia

Vomiting

Vomiting (or emesis) is the forceful expulsion of the contents of one's stomach through the mouth.

Although it probably evolved as a mechanism for expelling ingested poisons, vomiting may result from many causes not related to poisoning.

Note:   The above text is excerpted from the Wikipedia article "Vomiting", which has been released under the GNU Free Documentation License.
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May 5, 2015

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updated 12:56 pm ET