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Trait

Drooping brow

Clinical name: Brow ptosis

Drooping of the upper eyebrow below the superior orbital rim.

HPO HP:0031623

Summary

Body system
Abnormality of head or neckAbnormality of the integument

1 gene linked to Drooping brow

Changes in these genes cause rare conditions in which Drooping brow 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
KMT2Alysine methyltransferase 2AOften (30–79%)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 eyebrow

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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