- The act of attenuating.
- Diminution of virulence in a strain of an organism, obtained through selection of variants that occur naturally or through experimental means.
- Loss of energy of a beam of radiant, ultrasound, or other energy because of absorption, scattering, beam divergence, and other causes as the beam propagates through a medium.
- Regulation of termination of transcription; involved in control of gene expression in specific tissues.
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Examples: glitazone, GI cocktail, etc.