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[puh-poh-vuh-vahy-ruh s] /pəˈpoʊ vəˌvaɪ rəs/
noun, plural papovaviruses. Pathology, Veterinary Pathology
any of a group of DNA-containing human and animal viruses, including polyoma viruses and some papillomaviruses, most of which produce tumors.
1962; pa(pilloma) + po(lyoma) + va(cuolating) (representing three virus groups in the order in which they became known) + virus Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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papovavirus in Medicine

papovavirus pa·po·va·vi·rus (pə-pō'və-vī'rəs)
A virus of the family Papovaviridae.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for papovavirus

any of a group of viruses constituting the family Papovaviridae, which is divided into two subgroups: the papillomaviruses and the polyomaviruses. Papovaviruses are responsible for a variety of abnormal growths in animals: warts (papillomas) in humans, dogs, and other animals; cervical cancer in women; tumours (polyomas) in mice; and vacuoles (open areas) in cells of monkeys. The virus particle lacks an outer membrane; is spheroidal, about 45 nanometres (nm; 1 nm = 10 - 9 metre) across; is covered with 42 subunits called capsomeres; and contains deoxyribonucleic acid (DNA). Papovaviruses develop in the nuclei of cells, in which they can be seen in apparent crystalline arrangements.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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