pylorus
noun
pylorus is a noun meaning “In vertebrates, including humans, a zone at the lower end of the stomach that leads to and opens into the duodenum” (English Wiktionary, September 2026). It is spelled P-Y-L-O-R-U-S, and it appears about once in every 32 million words in written English (wordfreq, 2021 data). The plural of pylorus is pylori or pyloruses.
What does pylorus mean?
noun
- 1
In vertebrates, including humans, a zone at the lower end of the stomach that leads to and opens into the duodenum.
- 2
A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce pylorus?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Neøn-pylorus.wav, Wikimedia Commons (author and licence on each file's page).
Forms of pylorus
- pylori plural
- pyloruses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is pylorus?
Pylorus appears about once in every 32 million words in written English, the 173,967th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Pylorus in Spanish, French, German and Portuguese
In the sense opening between the stomach and duodenum:
| Language | Words |
|---|---|
| French | pylore |
| German | Magenpförtner, Magenausgang |
| Portuguese | piloro |
| Spanish | píloro |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does pylorus come from?
From Latin pylōrus, from Ancient Greek πυλωρός (pulōrós, “gatekeeper”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).