The Pyloric valve reference article from the English Wikipedia on 24-Jul-2004
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Pyloric valve

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From pylorus; pyl- = gate, -orus = guard. The inferior part of the stomach. The pylorus is the region of the stomach that connects to the duodenum. Divided in two parts: the pyloric antrum (connects to body of stomac) and the pyloric canal (connects to duodenum). Pylorus (pylorus spichter)is in the end of the pyloric canal and lets food pass from stomach to duodenum.