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its the pyloric sphincter
The duodenum has a sphincter that controls the opening of the stomach to dump partially digested food into the small intestines. This sphincter can be weakened by stomach ulcers. After the duodenum, food stuffs continues through the small intestines where most digestion takes place.
At the bottom of the stomach. When the pylorus opens, it lets partially digested foor or water into the duodenum (top part of small intestine.)
Pyloric sphincter
It is called pyloric sphincter and it regulates the passage of digested food from the stomach onto the duodenum ( small intestine ).
In your small intestine, a portion called the duodenum.
Lipids, or fats, are digested in the duodenum, the first section of the small intestine.
Peristalsis also occurs in the stomach so that it can mix the food together with stomach juices and move the partially digested food into the first part of the small intestine (known as the duodenum).
The small intestine is a slender coiled tube that receives partially digested food from the stomach (via the pyloric sphincter). It consists of three sections: duodenum, ileum, and jejunum.
in the small intestine, specifically the beginning part, called the duodenum.
it first passes through the duodenum
Bile is produced in the liver and stored in the gall bladder. The presence of lipids in the duodenum causes the release of bile. Ultimately the liver and gall bladder control the release of bile.