the sphincter that allows chyme to pass from the stomach into the small intestine is known as the
Chyme Chyme or chymus (/kaɪm/; from Greek χυμός khymos, "juice"[1][2]) is the semi-fluid mass of partly digested food that is expelled by the stomach, through the pyloric valve, into the duodenum[3] (the beginning of the small intestine).