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 (ŏn′kə-vī′rəs, ŏng′-)
Any of a group of viruses that cause cancers in birds and mammals.

[Greek onkos, mass, tumor; see oncology + virus.]


(Biology) any virus which causes cancer


(ˈɒŋ kəˌvaɪ rəs)

or on•cor•na•vi•rus

(ɒŋˈkɔr nə-)
n., pl. -rus•es.
any retrovirus of the subfamily Oncovirinae, capable of producing tumors.
[1965–70; onco- (+ RNA) + virus]
References in periodicals archive ?
Besides, four related VL of cattle of a virus of the person are revealed: A T-lymphocytic virus of the person (HTLV-1,2,3,4) belonging to the same sort Oncovirus of S type of Retroviridae family, as VL of cattle (7).
Epstein-Barr virus (EBV) is a common human oncovirus and is associated with several human neoplasms, including various subtypes of lymphomas.
EBV is a well-known oncovirus associated with several lymphoproliferative disorders.
Ambas enfermedades causan inmunodepresion en los gatos y como consecuencia pueden aparecer multiples enfermedades asociadas, ademas que por si solas inducen cambios que pueden ocasionar la muerte de los animales, como neoplasias (linfosarcomas) o procesos anemicos asociados al oncovirus de la leucemia viral, o problemas neurologicos ocasionados por la afinidad al sistema nervioso central que tiene el virus de inmunodeficiencia felina (4).
Human T-cell lymphotropic virus I (HTLV-I) is a type C virus of the family Retroviridae, subfamily Oncovirus, which contains double-stranded, enveloped RNA.
Feline lentivirus and feline oncovirus status of free-ranging lions (Panthera leo), leopards (Panthera pardus), and cheetahs (Acinonyx jubatus) in Botswana: a regional perspective.