helper virus

  • 11virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA …

    Universalium

  • 12Virus — A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with… …

    Medical dictionary

  • 13helper T cell — noun T cell with CD4 receptor that recognizes antigens on the surface of a virus infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus • Syn: ↑helper cell, ↑CD4… …

    Useful english dictionary

  • 14Virus satélite — Un satélite es un agente subviral formado por ácido nucleico y que depende de la coinfección de la célula huésped por un virus (helper o master). Si el satélite codifica una proteína de cubierta en la que se introducirá el ácido nucleico,… …

    Wikipedia Español

  • 15Virus — This article is about the biological agent. For other uses, see Virus (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to viruses. Viruses …

    Wikipedia

  • 16helper cell — noun T cell with CD4 receptor that recognizes antigens on the surface of a virus infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus • Syn: ↑helper T cell,… …

    Useful english dictionary

  • 17Helper cell — A type of T cell that participates in the immune response by recognizing foreign antigens and secreting substances called cytokines that activate T and B cells. Helper cells fall into two main classes: those that activate other T cells to achieve …

    Medical dictionary

  • 18Adeno-associated virus — Taxobox color = violet name = Adeno associated virus image width = 180px image caption = Adeno Associated Viruses virus group = II familia = Parvoviridae subfamilia = Parvovirinae genus = Dependovirus species = adeno associated virus Adeno… …

    Wikipedia

  • 19Abelson murine leukemia virus — Taxobox name = PAGENAME virus group = vi familia = Retroviridae subfamilia = Orthoretrovirinae genus = Gammaretrovirus species = Murine leukemia virus subdivision ranks = Serotype subdivision = Abelson murine leukemia virus The Abelson murine… …

    Wikipedia

  • 20delta virus — Hepatitis D virus. A defective RNA virus requiring a helper virus, usually Hepatitis B virus, for replication. Delta virus infections may exacerbate the clinical effects of Hepatitis B …

    Dictionary of molecular biology