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pylorus

pylorus

1 9.6
A round opening at the lower end of the stomach that leads to the small intestine
  • noun
  • /pɪˈlɔrəs/
  • Specialized
translation icon : píloro
  • F. perrara is specific to the worker pylorus and results in a host melanization response, while B. apis appears in the hindguts of older foragers 28, 54-56.

Examples

  • Pancreaticoduodenectomy (Whipple procedure) and pylorus-preserving pancreaticoduodenectomy.

    Academic text (2017)
  • Whipple Procedure/Pylorus

    Academic text (2017)
  • - Pylorus.

  • It passed through her stomach, through her pylorus, and it's in the upper part of what we call the duodenum of the small intestine.

  • The taxonomic shift at the pylorus demarcates a steep physiological gradient in the adult.

    Academic text (2018)
  • A barium study via the Ryles tube revealed antral ulcers with strictures in the adjacent pylorus and duodenum.

    Academic text (2007)
  • The small intestine, whose primary function is in nutrient digestion and absorption, starts at the pylorus directly downstream of the stomach and terminates at the ileocecal valve.

    Academic text (2016)
  • True, because the duodenum is removed, another expected sequela of the operation is, depending on whether the pylorus is spared, having to eat a diet like that of patients who have their stomachs (or large portions thereof) removed (more on that later).

    Blog text (29)
  • The pylorus acts as a gateway from the stomach to the duodenum, controlling the passage of food.

  • During digestion, food exits the stomach through the pylorus and enters the small intestine.

Surface Forms

pylorus singular
pyloruses plural
pylori plural

Etymology

The word pylorus comes from an old Greek root pyl- meaning 'gate', the same root you can see in pylon. So the pylorus is like the stomach's 'gate' that controls when food passes into the small intestine.