Medical Definition of Orthomyxoviridae

1. Class V viruses. The genome consists of a single negative strand of RNA that is present as several separate segments each of which acts as a template for a single mRNA. The nucleocapsid is helical and has a viral specific RNA polymerase for the synthesis of the mRNAs. They leave cells by budding out of the plasma membrane and are thus enveloped. They usually have two classes of spike protein in the envelope. One has haemagglutinin activity and the other acts as a neuraminidase and both are important in the invasion of cells by the virus. The major viruses of this group are the influenza viruses. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)



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Lexicographical Neighbors of Orthomyxoviridae

Orson Welles
Ortalis
Ortega
Orth's fixative
Orth's stain
Orthilia
Orthodox
Orthodox Catholic Church
Orthodox Church
Orthodox Churches
Orthodox Jew
Orthodox Jews
Orthodox Judaism
Orthodoxy
Orthomyxoviridae (current term)
Orthonectida
Orthopoxviridae
Orthopristis
Orthopristis chrysopterus
Orthotomus
Orthotomus sutorius
Ortilis vetula macalli
Orton
Ortonesque
Orudis
Orudis KT
Orunmila
Oruvail
Orville

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