Definitions for pyloruspaɪˈlɔr əs, -ˈloʊr-, pɪ-; -ˈlɔr aɪ, -ˈloʊr aɪ
Random House Webster's College Dictionary
py•lo•ruspaɪˈlɔr əs, -ˈloʊr-, pɪ-; -ˈlɔr aɪ, -ˈloʊr aɪ(n.)(pl.)-lo•ri
the opening between the stomach and the start of the intestine in most vertebrates.
Category: Anatomy, Zoology
Origin of pylorus:
1605–15; < LL < Gk pylōrós lit., gatekeeper
py•lor′ic-ˈlɔr ɪk, -ˈlɒr-(adj.)
Princeton's WordNet
pylorus(noun)
a small circular opening between the stomach and the duodenum
Wiktionary
pylorus(Noun)
The opening in a vertebrate, including humans, at the lower end of the stomach that opens into the duodenum.
pylorus(Noun)
A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ.
Webster Dictionary
Pylorus(noun)
the opening from the stomach into the intestine
Pylorus(noun)
a posterior division of the stomach in some invertebrates
U.S. National Library of Medicine
Pylorus
The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen.
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