feedback mechanism
41Gastrin — In humans, gastrin is a hormone that stimulates secretion of gastric acid (HCl) by the parietal cells of the stomach, as well as aiding in gastric motility. It is released by G cells in the stomach and duodenum. Its existence was first suggested… …
42Trp operon — If unfamiliar with these terms, visit the operon page first.Trp operon is an operon in bacteria which promotes the production of tryptophan when tryptophan isn t present in the environment. Discovered in 1953 by Jacques Monod and colleagues, the… …
43PID controller — A block diagram of a PID controller A proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems – a PID is the most commonly used feedback… …
44Subwoofer — A subwoofer is a woofer, or a complete loudspeaker dedicated to the reproduction of bass audio frequencies, from perhaps 150 Hz down as far as 20 Hz, or in rare cases lower. Also known as subs , these are used to augment the low frequency… …
45Proprioception — Kinesthetics redirects here. For the album by Scott Kinsey, see Kinesthetics (album). The cerebellum is largely responsible for coordinating the unconscious aspects of proprioception. Proprioception (pronounced /ˌproʊpri.ɵˈsɛpʃən/ …
46Congenital adrenal hyperplasia due to 17 alpha-hydroxylase deficiency — Classification and external resources OMIM 202110 DiseasesDB 1841 …
47climate change — Introduction periodic modification of Earth s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth …
48Sleep apnea — Classification and external resources Obstructive sleep apnea ICD 10 G …
49Anger — This article is about the emotion. For other uses, see Anger (disambiguation). Angry , Indignation , and Wrath redirect here. For other uses, see Angry (disambiguation), Indignation (disambiguation), and Wrath (disambiguation). Emotions Affection …
50Glucocorticoid — Chemical structure of cortisol, a glucocorticoid …
