Meaning of effector

ef•fec•tor

Pronunciation: (i-fek'tur), [key]
— n.
  1. a person or thing that effects.
  2. an organ or cell that carries out a response to a nerve impulse.
  3. a substance, as a hormone, that increases or decreases the activity of an enzyme.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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