closed loop


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loop

 [lo̳p]
a turn or sharp curve in a cordlike structure.
capillary l's minute endothelial tubes that carry blood in the papillae of the skin.
closed loop a system in which the input to one or more of the subsystems is affected by its own output.
Henle's loop the U-shaped part of the nephron extending from the proximal to the distal convoluted tubule.
ileal loop ileal conduit.
Lippes loop a form of intrauterine contraceptive device.
open loop a system in which an input alters the output, but the output has no effect on the input.

closed loop

a biological feedback system in which a substance produced in the body affects the mechanism that causes its own production.

closed loop

1. A biological system in which a substance produced affects the output of the substance by a feedback mechanism.
2. In the learning of motor skills, the process of using sensory feedback to modify fine motor control or skilled movements.
See also: loop

loop

a turn or sharp curve in a cordlike structure.

capillary l's
minute endothelial tubes that carry blood, as in the papillae of the skin.
closed loop
a system in which the input to one or more of the subsystems is affected by its own output.
diuretic loop
loop of Henle diuretic.
Henle's loop
see henle's loop.
intestinal loop
in most species the small intestine is arranged in a series of indefinite open loops. In ducks and geese the loops are closed, finite structures, five to eight in number, and are located more or less in fixed positions. The supraduodenal loop is one of them.
open loop
a system in which an input alters the output, but the output has no effect on the input.
References in periodicals archive ?
Aviya's Closed Loop Bench also allows the engineer to override Aircraft/Airframe Model parameters, enabling the creation of fault conditions and flight scenarios.
Transitioning from paper to digital sales and marketing with Closed Loop Marketing results in great rewards, such as cost reduction and improved brand performance," said Derek Pollock, President, Proscape Life Sciences.
Since its inception in 1996, Proscape has been providing cutting-edge Closed Loop Marketing technology to leading pharmaceutical, consumer goods, and financial services firms helping them improve sales and marketing effectiveness, productivity and overall company performance.
Food and Drug Administration (FDA), marking the debut of one medical device containing two unique BIOTRONIK technologies: Closed Loop Stimulation (CLS)(R) and Home Monitoring(R) Early Detection.
They are looking for closed loop solutions that can provide protection simultaneously on both fronts," said Panos Anastassiadis, CEO of Cyveillance.
Brickstream and GMT have created an integrated closed loop solution that improves each step of the workforce management process:
BOSTON -- Enterprises achieving superior business performance and financial risk management are leading the drive to deploy an integrated closed loop Corporate Performance Management process and platform centered upon a "prime CPM vendor", says Aberdeen Report.
today unveiled its revolutionary new firmware solution to improve laser performance -- the SLC Closed Loop Real-Time ER and OMA Control System.
In many instances, this eliminates the need for an expensive closed loop architecture.
Study Promises to Demonstrate Efficacy of Highly Sophisticated Biventricular Pacemaker and Clinical Benefit of Closed Loop Stimulation (CLS) Rate-Adaptive Therapy for Improved Quality of Life in CHF Patients with Permanent Atrial Fibrillation
A high resolution graphic depicting the closed loop process is available by contacting Sandy McLaughlin at SMcLaughlin@scg-pr.
The architecture for the DT9842 includes all the circuitry needed for a closed loop control system.

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