pylorus

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

/ paɪˈlɔr əs, -ˈloʊr-, pɪ- /

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noun, plural py·lo·ri

[pahy-lawr-ahy, -lohr-ahy, pi-]. /paɪˈlɔr aɪ, -ˈloʊr aɪ, pɪ-/. Anatomy.

the opening between the stomach and the duodenum.

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Origin of pylorus

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

OTHER WORDS FROM pylorus

py·lor·ic

[pahy-lawr-ik, -lor-, pi-], /paɪˈlɔr ɪk, -ˈlɒr-, pɪ-/, adjectivepost·py·lor·ic, adjectivepre·py·lor·ic, adjective

Words nearby pylorus

Pyle, pylon, pylorectomy, pyloric stenosis, pyloroplasty, pylorus, Pylos, Pym, pymt., Pynchon, PYO

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pylorus in a sentence

The common sequence is stricture of the gullet, combined with feeble digestion, and in a few instances stricture of the pylorus.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
The case classed as a carcinoma was secondary to cancer of the pylorus; both ovaries were affected.
A System of Operative Surgery, Volume IV (of 4)|Various
They do not exist in the coat of the stomach, but commence in the small intestine at some distance from the pylorus.
The Action of Medicines in the System|Frederick William Headland
A slight enlargement in the region of the pylorus may represent the glandular region of the adult stomach.
Development of the Digestive Canal of the American Alligator|Albert M. Reese

They are so numerous as to form a kind of cork, which one might think intended to close the passage of the pylorus.
Animal Parasites and Messmates|P. J. Van Beneden

British Dictionary definitions for pylorus

pylorus

/ (paɪˈlɔːrəs) /

noun plural -ri (-raɪ)

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

Derived forms of pylorus

pyloric, adjective

Word Origin for pylorus

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for pylorus

pylorus

[ pī-lôr′əs, pĭ- ]

Plural pylori (pī-lôr′ī′, pĭ-)

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