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.

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-/, adjective post·py·lor·ic, adjective pre·py·lor·ic, adjective

Example sentences from the Web for pylorus

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

Medical definitions for pylorus

pylorus
[ pī-lôrəs ]

n. pl. py•lo•ri (-lôrī′)

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.

Scientific definitions for pylorus

pylorus
[ pī-lôrəs, pĭ- ]

Plural pylori (pī-lôrī′, pĭ-)

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