Thirst

Definition (http://en.wikipedia.org/wiki/Thirst)

Thirst is the craving for fluids, resulting in the basic instinct of animals to drink. It is an essential mechanism involved in fluid balance. It arises from a lack of fluids or an increase in the concentration of certain osmolites, such as salt. If the water volume of the body falls below a certain threshold or the osmolite concentration becomes too high, the brain signals thirst. (Wikipedia)

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This term is used for the following terms: 
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Approved Date
07-Jun-2013

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