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English definition of “effector”

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effector

noun [C] uk   /ɪˈfek.tər/ us    /-tɚ/ specialized
a body part or cell that reacts to a stimulus in a particular way, or a cell or substance in the body that produces an effect: effector cells In a reflex, the effector muscle acts before your brain is able to think.
(Definition of effector from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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