cry·o·gen (kr   -jn)n. A liquid, such as liquid nitrogen, that boils at a temperature below about 110 Kelvin (-160°C) and is used to obtain very low temperatures; a refrigerant. |
Cryogen
A substance with a very low boiling point, such as liquid nitrogen, used in cryotherapy treatment.
Mentioned in: Cryotherapy
cryogen
[krī′əjən]
Etymology: Gk, kryos + genein, to produce
1 a chemical that induces freezing, used to destroy diseased tissue without injury to adjacent structures. Cell death is caused by dehydration after cell membranes rupture.
2 (in magnetic resonance imaging
Etymology: MRI
) a chemical used to cool the MRI electromagnet so that the magnet remains superconducting and higher magnified strengths can be achieved. Kinds of cryogens include carbon dioxide, liquid nitrogen, liquid helium, and nitrous oxide. cryogenic, adj. cryogen
substance used to lower temperature in tissue to be frozen, e.g. liquid nitrogen, Freon, carbon dioxide and nitrous oxide.
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