The "pyloric sphincter" which located between the stomach and the duodenum.
The movement of food from the stomach into the esophagus is controlled by the pyloric sphincter at its base.
The beginning of the small intestine would be the duodenum. The duodenum's primary function is to finish the first stage of digestion. Food first from the stomach has been combined with pancreatic enzymes and gallbladder bile in this area of the intestine. Bile as well as the enzymes aid in food digestion.
The smooth muscle ring known as the pyloric sphincter separates the small intestine from the stomach. It opens and shuts to regulate the movement of stomach juices as well as partially digested food first from the pylorus towards the duodenum.
Therefore, the "pyloric sphincter" which located between the stomach and the duodenum.
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