feedback mechanism

См. также в других словарях:

• feedback mechanism — Regulation mechanism in cells by which the final product of a metabolic reaction inhibits further production of that product …   Dictionary of invertebrate zoology

• Feedback — For other uses, see Feedback (disambiguation). Feedback describes the situation when output from (or information about the result of) an event or phenomenon in the past will influence an occurrence or occurrences of the same (i.e. same defined)… …   Wikipedia

• feedback inhibition — A negative feedback mechanism in which a pathway end product inhibits the activity of an enzyme in the sequence leading to its formation; when the end product accumulates in excess, it inhibits its own synthesis …   Dictionary of microbiology

• Feedback — Many biologic processes are controlled by feedback, just as the temperature in a home from a furnace is regulated by a thermostat. * * * 1. In a given system, the return, as input, of some of the output, as a regulatory mechanism; e.g.,… …   Medical dictionary

• mechanism — noun 1 part of a machine ADJECTIVE ▪ firing, locking, steering, trigger, winding VERB + MECHANISM ▪ activate ▪ This ac …   Collocations dictionary

• feedback regulation — Control mechanism that uses the consequences of a process to regulate the rate at which the process occurs: if, for example, the products of a reaction inhibit the reaction from proceeding (or slow down the rate of the reaction), then there is… …   Dictionary of molecular biology

• feedback inhibition — Suppression of the activity of an enzyme by a product of the sequence of reactions in which the enzyme is participating. When the product accumulates in a cell beyond an optimal amount, it decreases its own production by inhibiting an enzyme… …   Universalium

• feedback inhibition — noun : inhibition of an enzyme controlling an early stage of a series of biochemical reactions by the end product when it reaches a critical concentration * * * feedback inhibition, Biochemistry. a form of cellular control by which a mechanism… …   Useful english dictionary

• feedback control — a physiological control mechanism operating to regulate the metabolic processes of a cell and thus maintain a constant internal environment, in which the accumulation of the product of a reaction leads to a decrease in its rate of production, or… …   Medical dictionary

• Climate change feedback — See also: Avoiding dangerous climate change, Runaway climate change, and Abrupt climate change Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each… …   Wikipedia

• tubuloglomerular feedback — a feedback mechanism in the juxtaglomerular apparatus of the kidney, so that changes in solute concentration at the macula densa link to control of the glomerular filtration rate and help ensure a relatively constant delivery of solutes to the… …   Medical dictionary