Disease or Syndrome
intestinal atresia
in·tes·ti·nal a·tre·sia [ in-tes-tuh-nl uh-tree-zhuh, -zhee-uh ]
Subclass of:
Congenital digestive system anomalies; Intestinal Diseases
Definitions related to intestinal atresia:
  • A congenital malformation characterized by the absence of a normal opening in a part of the intestine. It can occur either in the small or the large intestine.
    NCI
    U.S. National Cancer Institute, 2021
  • An abnormal closure, or atresia of the tubular structure of the intestine.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Congenital obliteration of the lumen of the intestine, with the ILEUM involved in 50% of the cases and the JEJUNUM and DUODENUM following in frequency. It is the most frequent cause of INTESTINAL OBSTRUCTION in NEWBORNS. (From Stedman, 25th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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