Trait

Collapsed nostrils

Clinical name: Narrow naris

Slender, slit-like aperture of the nostril.

HPO HP:0009933

Also called: Narrow nostrils, Slit-like nostrils, Small nostrils, Thin nostrils, Naris, narrow, Naris, slit-like, Narrow nares, Thin nares
Body system: Abnormality of head or neck

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10 genes linked to Collapsed nostrils

Changes in these genes cause rare conditions in which Collapsed nostrils 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.

Gene	How often it is seen	Conditions
PAX3paired box 3	Always	In 2 conditions
ATP6V1AATPase H+ transporting V1 subunit A	Often (30–79%)	In 1 condition
KCNJ6potassium inwardly rectifying channel subfamily J member 6	Often (30–79%)	In 2 conditions
MED16mediator complex subunit 16	Sometimes (5–29%)	In 1 condition
MEGF8multiple EGF like domains 8	Sometimes (5–29%)	In 1 condition
PRMT7protein arginine methyltransferase 7	Sometimes (5–29%)	In 1 condition
TGDSTDP-glucose 4,6-dehydratase	Sometimes (5–29%)	In 1 condition
WDR26WD repeat domain 26	Sometimes (5–29%)	In 1 condition
ATP6V1E1ATPase H+ transporting V1 subunit E1	Not recorded	In 1 condition
ESCO2establishment of sister chromatid cohesion N-acetyltransferase 2	Not recorded	In 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 nostrils

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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