Medical dictionary. 2011.
Electronic feedback loops — are used to control the output of electronic devices, such as amplifiers. A feedback loop is created when all or some portion of the output from an electronic device is fed back to the input. A device is said to be operating open loop if no… … Wikipedia
Negative feedback — Most endocrine hormones are controlled by a physiologic negative feedback inhibition loop, such as the glucocorticoids secreted by the adrenal cortex. The hypothalamus secretes corticotropin releasing hormone (CRH), which directs the anterior… … Wikipedia
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 — 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
Positive feedback — Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede. Positive feedback is energy taken from the output of a system and reapplied to the input, which is phase congruent with the input signal. A system… … Wikipedia
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
Циклы негативной обратной связи — (negative feedback loops) физиологический процесс, при котором мозг получает информацию о внешних событиях от окружающей среды, перерабатывает эту информацию и затем приводит органы тела в действие. Механизмы в органах предоставляют негативную… … Общая психология: глоссарий
Twelve leverage points — This article is about leverage points related to System Dynamics. For other uses, see Center of gravity (military). The twelve leverage points to intervene in a system were proposed by Donella Meadows, a scientist and system analyst focused on… … Wikipedia
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
Network motif — Network motifs are connectivity patterns (sub graphs) that occur much more often than they do in random networks. Most networks studied in biology, ecology and other fields have been found to show a small set of network motifs; surprisingly, in… … Wikipedia
