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chyme

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.

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chyme

chyme (kym) n. the semiliquid acid mass that is the form in which food passes from the stomach to the small intestine. It is produced by the action of gastric juice and the churning of the stomach.

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chyme

chyme The semisolid and partly digested food that is discharged from the stomach into the duodenum.

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chyme

chyme The partly digested mass of food as it exists in the stomach.

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