Trait

Laryngeal stridor

An abnormal high-pitched noisy sound, occurring during inhalation or exhalation caused by the incomplete obstruction in the throat.

HPO HP:0006511

Also called: Laryngeal stidor
Body system: Abnormality of the respiratory system

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7 genes linked to Laryngeal stridor

Changes in these genes cause rare conditions in which Laryngeal stridor 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
BRF1BRF1 general transcription factor IIIB subunit	Often (30–79%)	In 2 conditions
PLP1proteolipid protein 1	Often (30–79%)	In 1 condition
PRNPprion protein (Kanno blood group)	Often (30–79%)	In 1 condition
ASAH1N-acylsphingosine amidohydrolase 1	Sometimes (5–29%)	In 1 condition
BTDbiotinidase	Sometimes (5–29%)	In 1 condition
TAF1TATA-box binding protein associated factor 1	Sometimes (5–29%)	In 1 condition
UBE3Bubiquitin protein ligase E3B	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

Abnormal larynx physiology

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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