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Chyme |
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chyme (kīm), semiliquid substance found in the stomach and resulting from the partial digestion of food by the salivary enzyme amylase, the gastric enzyme pepsin, and hydrochloric acid. Secretion of hydrochloric acid by the stomach makes the chyme strongly acidic. The rhythmic muscular action of the stomach wall (peristalsis) moves the chyme into the duodenum, the first section of the small intestine, where it stimulates the release of secretin, a hormone that increases the flow of pancreatic juice as well as bile and intestinal juices. Chyme also stimulates the release of cholecystokinin, a hormone that primarily increases the flow of bile but also increases the proportion of digestive enzymes in the pancreatic juice.
chymeThick semifluid mass of partly digested food and secretions, formed in the stomach and intestines during digestion. Its composition changes as various digestive juices and cellular debris and other waste products are added, and water and nutrients are absorbed from it during its passage through the digestive tract, at the end of which it is stored for excretion. chyme the thick fluid mass of partially digested food that leaves the stomach chyme [kīm] (physiology) The semifluid, partially digested food mass that is expelled into the duodenum by the stomach. Chyme the fluid or semifluid contents of the small intestine in animals and man, consisting of gastric digestive products mixed with bile, the secretions of the pancreas and intestinal glands, desquamated epithelium, and microorganisms. Chyme also contains enzymes of the pancreatic juice, such as proteases, α-amylase, and lipase, as well as intestinal enzymes, such as enterokinase, carbohydrases, peptidases, monoglyceride lipase, and phosphatase. Its composition depends on the food ingested and the secretory activity of the digestive system. In man, about 400 g of chyme per day pass from the small intestine to the large intestine. The motor activity of the intestine agitates the chyme, thus promoting better digestion and absorption of food substances. Specially prepared chyme has therapeutic properties: it is used in certain digestive disorders and metabolic disturbances in agricultural animals. REFERENCEFiziologiia pishchevareniia. Leningrad, 1974. (Rukovodstvo pofisiologii.)N. M. TIMOFEEVA How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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No references found | There is one important fluid called Chyme which easily flows to the small intestine where the pancreas and liver will assist in providing additional digestive enzymes. The Function of the Duodenum The chyme (digested food from stomach the consistency of a milk shake) is slowly transported from the pylorus (a valve at the end portion of the stomach) through the pyloric sphincter into the first part of the small intestine called the duodenum where further digestion occurs. Chyme, the mix of acid and food in the stomach, leaves the stomach and enters the small intestine The Small Intestine The small intestine is the major site for digestion and absorption of nutrients. |
Chyme |
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