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Pyloric |
| Pylorus | |
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| Outline of stomach, showing its anatomical landmarks. | |
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| Interior of the stomach. (Pylorus labeled at center left.) | |
| Latin | valvula pylori |
| Gray's | subject #247 1164 |
The pylorus (from Greek πυλωρος = "gate guard") is the region of the stomach that connects to the duodenum. It is divided in two parts:
The pyloric sphincter, or valve, is a strong ring of smooth muscle at the end of the pyloric canal and lets food pass from the stomach to the duodenum. It receives sympathetic innervation from celiac ganglion.
Contents |
One medical condition associated with the pylorus is pyloric stenosis. In such conditions as stomach cancer, when tumours may partly block the pyloric canal, a special tube can be implanted surgically to connect the stomach to the duodenum so as to facilitate the passage of food from one to the other. This tube is called a "pyloric stent."
 The longitudinal and circular muscular fibers of the stomach, viewed from above and in front. |
 The oblique muscular fibers of the stomach, viewed from above and in front. |
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