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效应器,效应物(机体中对刺激做出反应的组织、器官或物质)
effector cells效应细胞
In a reflex, the effector muscle acts before your brain is able to think.在做反射动作时,效应肌肉在大脑意识之前就做出反应。