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单词 necrosis
释义

necrosis

noun

ne·​cro·​sis nə-ˈkrō-səs How to pronounce necrosis (audio)
ne-
plural necroses nə-ˈkrō-ˌsēz How to pronounce necrosis (audio)
ne-
: usually localized death of living tissue

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Cells die naturally after a period of time, but may also die as a result of injuries, infections, or cancer. Burns produce necrosis, and the bedsores suffered by nursing-home patients are a form of necrosis. The dreaded condition known as gangrene, in which the dying tissue turns black or green, is another form. When untreated, the dying cells release substances that lead to the death of surrounding cells, so untreated necrosis can lead to death. Treatment usually requires the removal of the necrotic tissue, and in severe cases can even involve amputating a limb.

Example Sentences

Recent Examples on the Web The official cause, which Wengrow was reluctant to discuss, was pancreatic necrosis. Virginia Heffernan, Wired, 11 July 2022 Yet pennyroyal contains pulegone, which gets metabolized in the body and forms toxins that can cause liver necrosis, says Josh Trebach, emergency medicine physician and medical toxicologist in Iowa City. Ej Dickson, Rolling Stone, 29 June 2022 But its singular ambitions and tragically realistic depiction of civic necrosis have made the series hard to shake. Inkoo Kang, Washington Post, 21 June 2022 The CT scan showed sections of the large intestine protruding through the hernia, which posed a high risk for bowel twisting, which can lead to perforation and sepsis or tissue deoxygenation and necrosis. Ashley Andreou, Scientific American, 26 May 2022 Many are suffering from bacterial necrosis, its telltale ugly gashes marring trunks that were once a healthy, rubbery green. Lane Sainty, The Arizona Republic, 21 May 2022 Severe reactions to snake hemotoxin and neurotoxin can cause tissue necrosis, in which the skin and muscle surrounding a bite become purple and blackened, with a corresponding drop in blood pressure. Emily Pennington, Outside Online, 18 May 2022 All the placentas also showed dead cells made up the major cell barrier between the mother and fetus, known as trophoblast necrosis. Adrianna Rodriguez, USA TODAY, 11 Feb. 2022 Years ago, Cotton developed bone necrosis in his right front leg and had to have an amputation. cleveland, 20 Jan. 2022 See More

Word History

Etymology

Late Latin, from Greek nekrōsis, from nekroun to make dead, from nekros dead body

First Known Use

1583, in the meaning defined above

Medical Definition

necrosis

noun

ne·​cro·​sis nə-ˈkrō-səs, ne- How to pronounce necrosis (audio)
plural necroses -ˌsēz How to pronounce necrosis (audio)
: death of living tissue
specifically : death of a portion of tissue differentially affected by local injury (as loss of blood supply, corrosion, burning, or the local lesion of a disease) compare necrobiosis
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更新时间:2024/9/20 17:33:26