Traits

Traits linked to EDA2R

ectodysplasin A2 receptor

The Human Phenotype Ontology links 14 traits to EDA2R, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of head or neck

Trait	How often it is seen
Decreased size of tooth	Very often (80–99%)
Delayed eruption of teeth	Very often (80–99%)
Drooping lower lip	Very often (80–99%)
Drooping upper lip	Very often (80–99%)
Flat nose	Very often (80–99%)
Sparse or absent eyebrows	Very often (80–99%)
Frontal bossing	Often (30–79%)

Abnormality of the integument

Trait	How often it is seen
Decreased ability to sweat	Very often (80–99%)
Sparse body hair	Very often (80–99%)
Sparse hair	Very often (80–99%)

Abnormality of limbs

Trait	How often it is seen
Short outermost finger bone	Sometimes (5–29%)

Abnormality of the cardiovascular system

Trait	How often it is seen
High blood pressure	Sometimes (5–29%)

Abnormality of the endocrine system

Trait	How often it is seen
Anterior hypopituitarism	Sometimes (5–29%)

Laboratory abnormality

Trait	How often it is seen
Type 1 diabetes	Sometimes (5–29%)

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.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to EDA2R and how often each is seen. Find out more at hpo.jax.org.

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