# Phenotypic Quality Ontology (PATO)

> Phenotypic qualities (properties). This ontology can be used in conjunction with other...

- Page: https://library.schematica.io/model/477adc3885b942a2a3de1a8def199140
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OWL
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/PATO
- Contact: George Gkoutos (g.gkoutos@gmail.com)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | PATO |
| Description | Phenotypic qualities (properties). This ontology can be used in conjunction with other ontologies such as GO or anatomical ontologies to refer to phenotypes. Examples of qualities are red, ectopic, high temperature, fused, small, edematous and arrested. |
| Format | OWL |
| Categories | Phenotype |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 8,625 |
| Individuals | 0 |
| Properties | 252 |
| Max Depth | 32 |
| Max Child Count | 1,344 |
| Average Child Count | 3 |
| Classes With One Child | 1,298 |
| Classes With More Than 25 Children | 54 |
| Classes With No Definition | 1,240 |

## Projects using PATO

- [ISA software suite](https://bioportal.bioontology.org/projects/ISS)
- [SemGen](https://bioportal.bioontology.org/projects/SemGen)
- [Plant Ontology](https://bioportal.bioontology.org/projects/Plant_Ontology)
- [Beta Cell Genomics database](https://bioportal.bioontology.org/projects/BCGD)
- [Influenza Ontology](https://bioportal.bioontology.org/projects/IO)
- [SKELETOME](https://bioportal.bioontology.org/projects/SKELETOME)
- [Virtual Imaging Platform project](https://bioportal.bioontology.org/projects/VIPP)
- [BioAssay Ontology](https://bioportal.bioontology.org/projects/BO)
- [eNanoMapper](https://bioportal.bioontology.org/projects/eNanoMapper)
- [Children's Health Exposure Analysis Resource](https://bioportal.bioontology.org/projects/CHEAR)
- [Open Access Journals Integrated service System Project (GoOA)](https://bioportal.bioontology.org/projects/PDOLAS)
- [Phenoscape](https://bioportal.bioontology.org/projects/Phenoscape)
- [ZFIN](https://bioportal.bioontology.org/projects/ZFIN)
- [Neuroscience Information Framework](https://bioportal.bioontology.org/projects/NIF)

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Source: https://library.schematica.io/model/477adc3885b942a2a3de1a8def199140