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Trait

Decreased size of nasal bridge

Clinical name: Hypoplastic nasal bridge

HPO HP:0005281

Summary

Also called
Small bridge of nose, Small nasal bridge, Decreased size of bridge of nose, Hypoplastic bridge of nose
Body system
Abnormality of head or neck

5 genes linked to Decreased size of nasal bridge

Changes in these genes cause rare conditions in which Decreased size of nasal bridge 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
TRIP11thyroid hormone receptor interactor 11AlwaysIn 1 condition
GHRgrowth hormone receptorVery often (80–99%)In 1 condition
DHCR2424-dehydrocholesterol reductaseOften (30–79%)In 1 condition
DBR1debranching RNA lariats 1Sometimes (5–29%)In 1 condition
KRASKRas proto-oncogene, GTPaseNot recordedIn 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.

Broader traits

Abnormality of the bridge of the nose

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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