(thing) by BioTech Sun Feb 09 2003 at 6:36:21

  • A decrease in the ability of a pathogen (like a virus or disease-causing bacteria) to cause disease.
  • The ability of a bacterium to regulate the amount of an amino acid it makes based on how much is already present, whereby excess amounts of the amino acid will turn off symthesis of itself.

    • From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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    (definition) by Webster 1913 Tue Dec 21 1999 at 21:57:37

    At*ten`u*a"tion (#), n. [L. attenuatio: cf. F. att'enuation.]

    1.

    The act or process of making slender, or the state of being slender; emaciation.

    2.

    The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.

    3.

    The process of weakening in intensity; diminution of virulence; as, the attenuation of virus.

     

    © Webster 1913.

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