what sphincter regulates the flow of chyme into the small intestine
Pyloric Sphincter. The pyloric sphincter is a band of smooth muscle at the junction between the pylorus of the stomach and the duodenum of the small intestine. It plays an important role in digestion, where it acts as a valve to controls the flow of partially digested food from the stomach to the small intestine.natomy. The pyloric sphincter is a thin, circular band of visceral muscle surrounding the pyloric opening at the inferior end of the stomach. It is found at the border of the stomachâs final segment, the pylorus, and the small intestineâs first segment, the duodenum....