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DictionarySeeparamyxovirusParamyxoviridae
Paramyxoviridae[‚par·ə‚mik·sə′vir·ə‚dī] (virology) A family of negative-strand ribonucleic acid (RNA) viruses characterized by an enveloped spherical virion containing a single-stranded, nonfragmented molecule of RNA, contains the genera Paramyxovirus (sendai, mumps), Morbillivirus (measles), and Pneumovirus (respiratory syncytial virus). Paramyxoviridae
Par·a·myx·o·vir·i·dae (par'ă-mik'sō-vir'i-dē), A family of RNA-containing viruses about twice the size of the influenza viruses (Orthomyxoviridae) but similar to them in morphology. Virions are 150-300 nm in diameter, enveloped, ether sensitive, and contain RNA-dependent RNA polymerase. Nucleocapsids are helical, considerably larger than those of the influenza viruses, and contain single-stranded unsegmented RNA. Four genera are recognized: Paramyxovirus, Morbillivirus, Rubulavirus, and Pneumovirus, all of which cause cell fusion and produce cytoplasmic eosinophilic inclusions. Diseases associated with these viruses include croup and other upper respiratory infections, measles, mumps, and pneumonia.Paramyxoviridae Virology A family of RNA viruses including respiratory pathogens–eg, croup, measles, mumps, parainfluenza, RSVPar·a·myx·o·vir·i·dae (par'ă-mik'sō-vir'i-dē) A family of RNA-containing viruses. Three genera are recognized: Paramyxovirus, Morbillivirus, and Pneumovirus, all of which cause cell fusion and produce cytoplasmic eosinophilic inclusions. Par·a·myx·o·vir·i·dae (par'ă-mik-sō-vir'i-dē) RNA-containing viruses. Three genera are recognized: Paramyxovirus, Morbillivirus, and Pneumovirus, all cause cell fusion and produce cytoplasmic eosinophilic inclusions. FinancialSeeParameter |