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Anactivator of an allosteric enzyme.
(control systems)
A motor, solenoid, or hydraulic piston that turns commands to a teleoperator into specific manipulatory actions.
A structure that is sensitive to a stimulus and causes an organism or part of an organism to react to the stimulus, either positively or negatively.



(1) The terminal link in the chain of neurons in the reflex arc. The effectors of the central nervous system transmit impulses to the peripheral organs and tissues.

(2) In animals and man, one of the effector organs by means of which the body responds to external and internal stimuli or engages in work activity. Depending on the nature and purpose of the response, effectors form dynamic systems that include various organs; for example, in the case of physical labor they include the muscles, blood vessels, heart, and endocrine glands. Chromatophores, luminescent organs, and electric organs are also included in the category of effectors.

Effector regulation takes place both on the organ level and on the level of cellular and subcellular formations; such regulation performs the function of triggering the beginning and cessation of work and has an adaptotrophic effect (intensiveness and qualitative characteristics of the effector reaction). The composition and interrelation of the effectors within a system depend on the degree of conditioning and reinforcement of the response and on the state of the effectors.

(3) In biochemistry, a metabolic product that by combining with an enzyme increases or diminishes its activity.


References in periodicals archive ?
The inverse kinematics: the movement laws of the effecter are considered to be known and the movement law of the motors is determined.
The Oxygen'ERY[R] System technology consists of encapsulating an allosteric effecter of haemoglobin into erythrocytes to increase their ability to release oxygen in the presence of hypoxic cells.
manually operated load and unload end effecter (robotic arm)
Since the joint integrated servo actuator takes its full advantages at the end effecter joints, this also means, that long hydraulic hoses would be needed, when conventional design is assumed, where the servo pumps are located at a central distribution gear at the engine.
In order to optimise the decision-making chain from sensor to effecter within a "System of Systems", EADS brings together state-of-the-art information and network technologies and the extensive competence of an experienced supplier of complex defense systems.
Chemical sensations of taste are displayed using a micro injector installed in the end effecter (fork or spoon).