effector

1. A muscle, gland, or organ capable of responding to a stimulus, especially a nerve impulse.
2. A nerve ending that carries impulses to a muscle, gland, or organ and activates muscle contraction or glandular secretion.
3. Biochemistry. A small molecule that when bound to an allosteric site of an enzyme causes either a decrease or an increase in the activity of the enzyme.
4. Computer Science. A device used to produce a desired change in an object in response to input.

1. a motor or secretory nerve ending in an organ, gland, or muscle; consequently called an effector organ. n 2. an on-the-job organ of the body that responds to stimulations asking for corrections. Antonym: receptor.

Any body structure, such as a muscle, gland, or organ, that brings about an action (e.g. a muscle action or glandular secretion) as a result of a stimulus it receives. The stimulus may be neuronal or hormonal.

1. a muscle or gland that contracts or secretes, respectively, in direct response to nerve impulses.
2. a molecule that binds to an enzyme with an effect on its catalytic activity, i.e. either an activator or inhibitor.

• allosteric e. — one that binds to an enzyme at a site other than the active site.
• e. cell — cell in the immune system that mediates an immune function.

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Effector may refer to:

• An actuator, in robotics
• Effector (album), a music album by the Experimental Techno group Download
• Effector cell, a type of lymphocyte in immunology
• Effector (biology), a molecule that binds to a protein and thereby alters the activity of that protein
• EFFector, a publication of the Electronic Frontier Foundation

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