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ret•ro•vi•rus



Pronunciation: (re"tru-vī'rus, re'tru-vī"-), [key]
n.,
pl. -rus•es.

any of a family of single-stranded RNA viruses having a helical envelope and containing an enzyme that allows for a reversal of genetic transcription, from RNA to DNA rather than the usual DNA to RNA, the newly transcribed viral DNA being incorporated into the host cell's DNA strand for the production of new RNA retroviruses: the family includes the AIDS virus and certain oncogene-carrying viruses implicated in various cancers.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Retrovirretrude
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