noun
- the opening from the stomach to the small intestine, controlled by a circular muscle
Usage: anatomy
Examples
- The pylorus regulates the flow of food from the stomach into the duodenum.
- A blockage at the pylorus can cause severe digestive problems.
- The surgeon examined the pylorus during the endoscopic procedure.
- Pyloric stenosis occurs when the pylorus becomes abnormally narrow.
- The pylorus contains smooth muscle that contracts and relaxes rhythmically.
- Food passes through the pylorus in small amounts at regular intervals.