| 单词 | necrosis |
| 释义 | necrosis (once / 27171 pages) n Necrosis is when cells in your skin or other parts of your body die. Civil War soldiers with gangrene who had their limbs amputated suffered from necrosis. You're not likely to come across the noun necrosis unless you're in a hospital or a medical school pathology class. It's a term that describes the death of cells in a living organism, usually after an infection or severe illness. It's not something most people need to worry about, unless they are bit by a brown recluse spider. Its venom has been shown to kill live cells in humans — in other words, to cause necrosis. WORD FAMILYnecrosis: necrotic USAGE EXAMPLESRheumatoid arthritis is an autoimmune disease believed to be driven in part by tumor necrosis factor, or T.N.F., a protein that promotes inflammation. New York Times(Aug 04, 2016) Enzymes in the venom attack nearby cells and destroy skin, fat and blood vessels around the bite, leading to necrosis. US News(Jul 08, 2016) It triggers a creeping, spotty necrosis that spreads through all the internal organs. Richard Preston, The Hot Zone(1994) n the localized death of living cells (as from infection or the interruption of blood supply) Syn|Hypo|Hyper gangrene, mortification, sphacelus myonecrosis localized death of muscle cell fibers death the permanent end of all life functions in an organism or part of an organism |
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