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Trait

Narrowing of small intestine

Clinical name: Small intestinal stenosis

The narrowing or partial blockage of a portion of the small intestine.

HPO HP:0012848

Summary

Body system
Abnormality of the digestive system

1 gene linked to Narrowing of small intestine

Changes in these genes cause rare conditions in which Narrowing of small intestine is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

GeneHow often it is seenConditions
AK2adenylate kinase 2AlwaysIn 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Narrower traits

Broader traits

Abnormal small intestine morphology

Where this comes from

  • The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
  • Data release 2026.10.16-c6eea6bf.

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