pylorus

[ pahy-lawr-uh s, -lohr-, pi- ]

/ paɪˈlɔr əs, -ˈloʊr-, pɪ- /

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.

Nearby words

Origin of pylorus

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

Related formspy·lor·ic

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pylorus

It is probable that to an even greater extent resection of the pylorus will become the specialty of certain operators.
A System of Practical Medicine By American Authors, Vol. II|Various
Like many other structural changes, it is usually found in the neighborhood of the pylorus.
A System of Practical Medicine By American Authors, Vol. II|Various
Cancers situated near the pylorus or on the lesser curvature are the most likely to cause severe hemorrhage.
A System of Practical Medicine By American Authors, Vol. II|Various
It commences at the pylorus, and ascends obliquely backward to the under surface of the liver.
A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)|Calvin Cutter

The pylorus and two-thirds of the duodenal mucous membrane were much inflamed and the orifice of the bile-duct closed.
A System of Practical Medicine By American Authors, Vol. II|Various

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 Formspyloric, 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

Word Origin and History for pylorus

pylorus

1610s, from Late Latin pylorus "the lower orifice of the stomach," from Greek pyloros, literally "gatekeeper, porter," from pyle "gate" (see pylon) + ouros "watcher, guardian" (see warrant (n.)). Related: Pyloric.

Medicine definitions for pylorus

pylorus

[ pī-lôr′əs ]

n. pl. py•lo•ri (-lôr′ī′)

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

A muscular or myovascular structure that opens or closes an orifice or lumen of an organ.

Science 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.