pylorus

[pahy-lawr-uhs, -lohr-, pi-]

noun

Anatomy.

plural

pylori 

1. the opening between the stomach and the duodenum.

pylorus

/ paɪˈlɔːrəs /

noun

1. the small circular opening at the base of the stomach through which partially digested food (chyme) passes to the duodenum

pylorus

plural

pylori 

1. The passage at the lower end of the stomach that opens into the small intestine.

Other Word Forms

• pyloric adjective
• postpyloric adjective
• prepyloric adjective

Word History and Origins

Origin of pylorus¹

1605–15; < Late Latin < Greek pylōrós literally, gatekeeper

Word History and Origins

Origin of pylorus¹

C17: via Late Latin from Greek pulōrus gatekeeper, from pulē gate + ouros guardian

Example Sentences

"To us, this finding reinforces the assumption that an H. pylori infection could be a modifiable risk factor for Alzheimer's disease," Douros concludes.

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Symptoms include bloating, heartburn and general stomach pain, which can be triggered by an infection of the bacterium Helicobacter pylori.

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Another cause may be an infection with bacteria called Helicobacter pylori.

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Helicobacter pylori, for example, can induce cancer by secreting a protein called Tipα that can penetrate cells, alter their gene expression and drive gastric cancer.

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Over time, both H. pylori and NSAIDs can break down the mucosal barrier of the gut lining, eventually causing an ulcer to develop.

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