Trait
Branchial sinus
A congenital branchial sinus is a remnant of the embryonic branchial arches and their intervening clefts and pouches that has failed to regress completely. Sinuses typically have their external orifice inferior to the ramus of the mandible. They may traverse the parotid gland, and run in close vicinity to the facial nerve in the external auditory canal.
Summary
- Also called
- Branchial cleft sinus
- Body system
- Abnormality of head or neck
Reference genomeGRCh38hg38
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Get my Genome Test5 genes linked to Branchial sinus
Changes in these genes cause rare conditions in which Branchial sinus 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 |
|---|---|---|
| EYA1EYA transcriptional coactivator and phosphatase 1 | Often (30–79%) | In 1 condition |
| KDM6Alysine demethylase 6A | Often (30–79%) | In 1 condition |
| KMT2Dlysine methyltransferase 2D | Often (30–79%) | In 1 condition |
| SIX1SIX homeobox 1 | Often (30–79%) | In 1 condition |
| SIX5SIX homeobox 5 | Often (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
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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