National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
irreversible toxicity (eer-ih-VER-sih-bul tok-SIH-sih-tee)

 Side effects that are caused by toxic substances or something harmful to the body and do not go away.

Previous Definitions:iris, irofulven, iron, irradiated, irradiation
Next Definitions:iseganan hydrochloride, ISIS 2503, ISIS 3521, ISIS 5132, islet cell