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pylorus

noun
py·​lo·​rus | \ pī-ˈlȯr-əs How to pronounce pylorus (audio) , pə-\
plural pylori\ pī-​ˈlȯr-​ˌī How to pronounce pylori (audio) , -​(ˌ)ē , pə-​ \

Definition of pylorus

: the muscular opening from the vertebrate stomach into the intestine

Examples of pylorus in a Sentence

Recent Examples on the Web

 Probably the most spectacular example is Barry Marshall, the Australian gastroenterologist who proved his theory that most stomach ulcers are caused by the common bacteria Helicobacter pylori by drinking a mixture containing the bug in 1982. — Wired Blogs, WIRED, "Doctors Who Play Guinea Pig," 20 June 2006

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pylorus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pylorus

1565, in the meaning defined above

History and Etymology for pylorus

Late Latin, from Greek pylōros, literally, gatekeeper, from pylē

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More Definitions for pylorus

pylorus

noun
py·​lo·​rus | \ pī-ˈlōr-əs, pə-ˈlȯr- How to pronounce pylorus (audio) \
plural pylori\ -​ˈlō(ə)r-​ˌī, -​(ˌ)ē How to pronounce pylori (audio) \

Medical Definition of pylorus

: the opening from the vertebrate stomach into the intestine — see pyloric sphincter

More from Merriam-Webster on pylorus

Britannica.com: Encyclopedia article about pylorus

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