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virion
[ vahy-ree-on, vir-ee- ]
noun
- the infectious form of a virus as it exists outside the host cell, consisting of a nucleic acid core, a protein coat, and, in some species, an external envelope.
virion
/ ˈvaɪrɪən /
noun
- a virus in infective form, consisting of an RNA particle within a protein covering
virion
/ vī′rē-ŏn′,vîr′ē- /
- A complete viral particle, consisting of RNA or DNA surrounded by a protein shell and constituting the infective form of a virus. The shell, called a capsid , protects the interior core that includes the genome and other proteins. After the virion binds to the surface of a specific host cell, its DNA or RNA is injected into the host cell and viral replication occurs with eventual spread of the infection to other host cells.
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Word History and Origins
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Word History and Origins
Origin of virion1
C20: from vir ( us ) + ion
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