For the article with a homophone title, see chime. This article is a draft concerning biology and medicine.

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The chyme (pronounced 'chime' [ʃim]) is the fluid in the stomach before the passage of the pylorus valve and the entry of the duodenum. It has the consistency of a glue and consists of partially digested food, water, hydrochloric acid, and various enzymes of digestion. The chyme slowly crosses the pylorus valve and the duodenum where nutrient extraction begins. Depending on the amount and content (acid or alkaline) of the meal, the stomach will digest the food in chyme for between 40 minutes and a few hours.

Etymology: comes from the lower Latin medical (3rd century) Chymus "juice of the stomach", borrowed from Greek χυμός "juice, mood".

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