What Is The Role Of A Sphincter Quizlet?

What Is The Role Of A Sphincter Quizlet? What is the role of a sphincter? It regulates the directional flow of gastrointestinal contents. What is the function of sphincters in the digestive system quizlet? What is the function of all sphincters in the digestive system? prevent backflow of partially digested food. What is the role

Which Sphincter Prevents Backflow Of Food From Stomach?

Which Sphincter Prevents Backflow Of Food From Stomach? A ring of muscle fibers in the lower esophagus prevents swallowed food from moving back up. These muscle fibers are called the lower esophageal sphincter (LES). When this ring of muscle does not close all the way, stomach contents can leak back into the esophagus. What prevents