# BioTop Ontology (BT)

> A top-domain ontology that provides definitions for the foundational entities of biomedicine as...

- Page: https://library.schematica.io/model/40c8c57b18ff47d4858f295e4bed7b8e
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Small
- Formats: OWL
- Domains: Healthcare
- Audiences: Researcher
- External link: https://bioportal.bioontology.org/ontologies/BT
- Contact: Stefan Schulz (stefan.schulz@medunigraz.at)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | BT |
| Description | A top-domain ontology that provides definitions for the foundational entities of biomedicine as a basic vocabulary to unambiguously describe facts in this domain. The original BioTop is no longer maintained, because it duplicated much content of other ontologies. The currently maintained version is BioTopLite 2, abbreviated as BTL2  |
| Format | OWL |
| Categories | Upper Level Ontology |
| Groups |  |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 390 |
| Individuals | 0 |
| Properties | 83 |
| Max Depth | 10 |
| Max Child Count | 19 |
| Average Child Count | 2 |
| Classes With One Child | 62 |
| Classes With More Than 25 Children | 0 |
| Classes With No Definition | 291 |

## Projects using BT

- [Neural ElectroMagnetic Ontologies](https://bioportal.bioontology.org/projects/NEMO)

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Source: https://library.schematica.io/model/40c8c57b18ff47d4858f295e4bed7b8e