<Tr> <Th> FMA </Th> <Td> 62961 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> Chyme or chymus (/ kaɪm /; from Greek χυμός khymos, "juice") is the semi-fluid mass of partly digested food that is expelled by the stomach, through the pyloric valve, into the duodenum (the beginning of the small intestine). </P> <P> Chyme results from the mechanical and chemical breakdown of a bolus and consists of partially digested food, water, hydrochloric acid, and various digestive enzymes . Chyme slowly passes through the pyloric sphincter and into the duodenum, where the extraction of nutrients begins . Depending on the quantity and contents of the meal, the stomach will digest the food into chyme in anywhere between 40 minutes to a few hours . 40 minutes to 3 hours at most . The chyme is black in color . </P>

The sphincter that allows chyme to pass from the stomach into the small intestine is known as the