单词	polyomavirus
释义	polyomavirus noun poly·​oma·​vi·​rus ˌpä-lē-ˈō-mə-ˌvī-rəs  : any virus of a family (Polyomaviridae and especially genus Polyomavirus) of double-stranded DNA viruses that induce tumors in specific mammals Example Sentences Recent Examples on the Web In that case, the JC polyomavirus may become active and destroy the cells that make myelin, according to the National Organization of Rare Diseases (NORD). Sara Gaynes Levy, SELF, 7 Mar. 2022 Twarock’s tilings therefore applied to a wider range of viruses, including the polyomaviruses and papillomaviruses that had evaded Caspar and Klug’s classification. Quanta Magazine, 19 July 2017 The lab extracted and sequenced the genetic material in the sample, intending to look for an organism called JC polyomavirus that is a research interest of one of the team members. National Geographic, 8 Dec. 2016 Word History Etymology New Latin polyoma, from poly- + -oma First Known Use 1958, in the meaning defined above Medical Definition polyomavirus noun poly·​oma·​vi·​rus ˌpäl-ē-ˈō-mə- 1 capitalized : a genus of double-stranded DNA viruses (family Polyomaviridae) that contain a single molecule of DNA, have a capsid composed of 72 capsomers, and induce tumors usually in specific mammals and that include simian virus 40 and the causative agent of progressive multifocal leukoencephalopathy 2 : any of the genus Polyomavirus of double-stranded DNA viruses
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