pyloric stenosis

American  

noun

Pathology.

1. an abnormal narrowing of the valve at the outlet from the stomach, preventing normal passage of food into the small intestine.

---

Etymology

Origin of pyloric stenosis

First recorded in 1895–1900

Example Sentences

Leiland-James then started crying more and losing weight, leading to an eventual diagnosis of pyloric stenosis, a narrowing of the small intestine which was stopping milk from reaching his stomach.

From BBC • May 17, 2022

A few hours later, the hospital’s sonogram report suggested pyloric stenosis, a condition caused by a tight muscle that prevents food from exiting the stomach and entering the intestines.

From Washington Post • May 26, 2017