Trait
Abnormally small tongue
Clinical name: Microglossia
Decreased length and width of the tongue.
Summary
- Also called
- Underdevelopment of the tongue, Decreased size of tongue, Hypoglossia, Hypoplasia of the tongue, Hypoplastic tongue, Lingual hypoplasia, Rudimentary tongue, Small tongue
- Body system
- Abnormality of head or neck
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
Read the genes linked to Abnormally small tongue, and the rest of your genome, with one test.
From $449Free shipping · Results in 6–8 weeks
Get my Genome Test18 genes linked to Abnormally small tongue
Changes in these genes cause rare conditions in which Abnormally small tongue 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 |
|---|---|---|
| PRRX1paired related homeobox 1 | Always | In 2 conditions |
| RBBP8RB binding protein 8, endonuclease | Always | In 1 condition |
| OTX2orthodenticle homeobox 2 | Very often (80–99%) | In 1 condition |
| ECM1extracellular matrix protein 1 | Often (30–79%) | In 1 condition |
| LMNB2lamin B2 | Often (30–79%) | In 1 condition |
| MYMKmyomaker, myoblast fusion factor | Often (30–79%) | In 1 condition |
| ROR2ROR family WNT receptor 2 | Often (30–79%) | In 1 condition |
| DHCR77-dehydrocholesterol reductase | Sometimes (5–29%) | In 2 conditions |
| EDN1endothelin 1 | Sometimes (5–29%) | In 1 condition |
| GLI3GLI family zinc finger 3 | Sometimes (5–29%) | In 2 conditions |
| GNAI3G protein subunit alpha i3 | Sometimes (5–29%) | In 1 condition |
| NEK1NIMA related kinase 1 | Sometimes (5–29%) | In 1 condition |
| PLCB4phospholipase C beta 4 | Sometimes (5–29%) | In 2 conditions |
| BMP4bone morphogenetic protein 4 | Not recorded | In 1 condition |
| PTDSS1phosphatidylserine synthase 1 | Not recorded | In 1 condition |
| SMOsmoothened, frizzled class receptor | Not recorded | In 1 condition |
| TBX15T-box transcription factor 15 | Not recorded | In 1 condition |
| TRIM37tripartite motif containing 37 | 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
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.
One test. A lifetime of answers.
From $449Free shipping · Results in 6–8 weeks