# Vertebrate Homologous Organ Group Ontology (VHOG)

> vHOG is a multi-species anatomical ontology for the vertebrate lineage, developed as part of the...

- Page: https://library.schematica.io/model/d8618a97842d444fbe589c1c02ed1c07
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OBO
- External link: https://bioportal.bioontology.org/ontologies/VHOG
- Contact: Bgee team (bgee@isb-sib.ch)
- Listed in library: 2025-06-12
- Last updated: 2023-11-22

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | VHOG |
| Description | vHOG is a multi-species anatomical ontology for the vertebrate lineage, developed as part of the Bgee project.<br>The mapping to species-specific anatomical ontologies is provided as a separated file:<br>http://bgee.unil.ch/download/organ_association_vHOG.txt<br>This mapping represents homology-strict relationships, in the sense of HOM:0000007 "historical homology". Each mapping has been manually reviewed, and we provide confidence codes and references when available. |
| Format | OBO |
| Categories | Anatomy, Human, Gross Anatomy, Fish Anatomy, Animal Gross Anatomy, Mouse Anatomy, Human Developmental Anatomy, Animal Development |
| Groups |  |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 1,185 |
| Individuals | 0 |
| Properties | 1 |
| Max Depth | 8 |
| Max Child Count | 25 |
| Average Child Count | 3 |
| Classes With One Child | 28 |
| Classes With More Than 25 Children | 1 |
| Classes With No Definition | 637 |

## Projects using VHOG

- [Bgee](https://bioportal.bioontology.org/projects/Bgee)

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Source: https://library.schematica.io/model/d8618a97842d444fbe589c1c02ed1c07