Medical Dictionary


noun poly·oma·vi·rus\ˌpäl-ē-ˈō-mə-\

Medical Definition of POLYOMAVIRUS

capitalized :  the sole genus in a family (Polyomaviridae) of double-stranded DNA viruses 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
:  any of the genus Polyomavirus of double-stranded DNA viruses


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