Pathologic Function
pyloric stenosis
py·lor·ic ste·no·sis [ pahy-lawr-uh s, -lohr-, pi- sti-noh-sis ]
Subclass of:
Gastric outlet obstruction
Definitions related to pyloric stenosis:
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An abnormal narrowing of the pylorus.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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Narrowing of the pyloric canal with varied etiology. A common form is due to muscle hypertrophy (PYLORIC STENOSIS, HYPERTROPHIC) seen in infants.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Narrowing of the pyloric lumen caused either by hypertrophy of the surrounding muscles or tissue scarring due to a chronic peptic ulcer.NCI ThesaurusU.S. National Cancer Institute, 2021
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Pyloric stenosis is an uncommon condition in infants that blocks food from entering the small intestine.Mayo Foundation for Medical Education and Research
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In infantile hypertrophic pyloric stenosis (HPS), hypertrophy of the pyloric sphincter results in narrowing of the pyloric canal. It is the most common cause of gastric outlet obstruction in the 2- to 12-week-old age group. Pyloric stenosis leads to progressive and projectile vomiting.Athenahealth, Inc., 2019
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