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pyloric sphincter

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pyloric sphincter
n.
A ring of smooth muscle fibers around the opening of the stomach into the duodenum.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.pyloric sphincter - the sphincter muscle of the pylorus that separates the stomach from the duodenumpyloric sphincter - the sphincter muscle of the pylorus that separates the stomach from the duodenum
pylorus - a small circular opening between the stomach and the duodenum
anatomical sphincter, sphincter, sphincter muscle - a ring of muscle that contracts to close an opening


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The small intestine is really a tube in three parts that starts at the pyloric sphincter (controls the amount of food that moves into the small intestine from the stomach), the duodenum (which we discussed in my article The Influence of the Duodenum on Health), the jejunum, and ileum.
Although in theory an operation on the pyloric sphincter could be the cause this is very rare, as is heartburn in children.
The pyloric sphincter is tightly shut and does not allow food to pass on to the next phase of digestion in the duodenum until there is adequate neutralization available from the pancreatic fluids and bile.
 
 
 
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