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Definition
Nitrogen is typically found in its gaseous form. To become a liquid, nitrogen gas must release great amounts of heat, becoming super-cooled to about minus 200 degrees Celsius. It may be applied to diseased or cancerous tissue to kill the cells. Tissue that has been frozen falls off from the surrounding tissue. Update Date: 4/17/2003 Updated by: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |