<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>
the sphincter that allows chyme to pass from the stomach into the small intestine is known as the
the pyloric valve