Liquid nitrogen
Overview
HEALTH GUIDE REFERENCE FROM A.D.A.M
Definition
Nitrogen is chemical that is usually found as a gas. To become a liquid, nitrogen gas must release great amounts of heat, becoming super-cooled to about -200 degrees Celsius.
Liquid nitrogen is used to kill cells that make up diseased or cancerous tissue. Tissue that has been frozen dries out and falls off.
Source Doc: 1_002246
