MedlinePlus Medical Encyclopedia: Temperature measurement

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Temperature measurement

A thermometer is a useful aid used to measure body temperature. A thermometer is usually filled with mercury. Mercury in the tube rises when expanded by an increase in body temperature.

Update Date: 2/14/2007

Updated by: Leisha M. Andersen, M.D., Private Practice specializing in Pediatrics, Denver, CO. Review provided by VeriMed Healthcare Network.

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