Congenital Abnormality
duodenal atresia
Definitions related to duodenal atresia:
  • A congenital malformation characterized by the absence of a normal opening in a part of the duodenum.
    NCI
    U.S. National Cancer Institute, 2021
  • A developmental defect resulting in complete obliteration of the duodenal lumen, that is, an abnormal closure of the duodenum.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Duodenal atresia is an embryopathy of the cranial intestine that leads to a complete absence of the duodenal lumen.
    NIH Genetic and Rare Diseases
    National Center for Advancing Translational Sciences
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