from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The passage at the lower end of the stomach that opens into the duodenum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The opening in a vertebrate, including humans, at the lower end of the stomach that opens into the duodenum.
- n. A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ.
from the GNU version of the Collaborative International Dictionary of English
- n. The opening from the stomach into the intestine.
- n. A posterior division of the stomach in some invertebrates.
from The Century Dictionary and Cyclopedia
- n. In the early church, a doorkeeper; an ostiary (which see).
- n. In anatomy: The orifice of communication between the stomach and the intestine, by which the contents of the stomach pass into the intestine.
- n. The fold of mucous membrane, containing muscular fibers, which guards the pyloric orifice, or other contrivance for retarding or opposing the passage of food from the stomach into the intestine.
- n. The pyloric end or division of the stomach.
- n. In Hydrozoa, a valvular structure which separates the gastric from the somatic cavity in the siphonophorous hydrozoans.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small circular opening between the stomach and the duodenum
To the dictionary I went. and found that the pylorus is the opening from the stomach into the intestine.
His pylorus is continually tickled by a mysterious flame but he is unable to recall anything.
Warren and Marshall called it Helicobacter pylori—helicobacter for its appearance, and pylorus from the Latin for “gatekeeper,” for its location near the outlet valve of the stomach.
Diocles supposed the ground of this kind of melancholy to proceed from the inflammation of the pylorus, which is the nether mouth of the ventricle.
The next intestine beyond the pylorus is the duodenum.
The physiology of taste; or Transcendental gastronomy. Illustrated by anecdotes of distinguished artists and statesmen of both continents by Jean Anthelme Brillat-Savarin. Translated from the last Paris edition by Fayette Robinson.
The other opening, by which the food leaves the stomach, and where the small intestine begins, is the pyloric orifice, and is guarded by a kind of valve, known as the pylorus, or gatekeeper.
The pylorus is a kind of chamber between the stomach and the intestines, so constructed that food once in it can ascend only with great difficulty.
Yambo seems to have a lot of feeling in his pylorus which is where he tends to feel a “mysterious flame.”
Significant advantages include the ease of performing the procedure (this used to be the “easy” first-step of a two-stage Roux-N-Y bypass in severely compromised patients), preservation of the pylorus, andmaintenance of physiological food passage.
In infants, projectile vomiting happens when a baby has a condition called pyloric stenosis: an overdeveloped pylorus muscle at the bottom of the stomach.