Definition of Viruses
1. virus [n] - See also: virus
Medical Definition of Viruses
1.
An ultra-microscopic micro-organism, parasitic within living cells and of which many can cause disease in humans. They consist of a strand of nucleic acid (DNA or RNA) that contains genetic instructions concerning viral reproduction that is enveloped by a protein coat. Cellular rupture (and death) liberates the newly from viruses.
(13 Oct 1997)
Lexicographical Neighbors of Viruses
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