# Medical Subject Headings (MESH)

> Medical Subject Headings (MeSH);National Library of Medicine; 2011

- Page: https://library.schematica.io/model/13adc673745a483f83a93865e98ad86d
- Model type: Ontology
- License: CC0 1.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: UMLS
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/MESH
- Contact: NLM Customer Service (custserv@nlm.nih.gov)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | MESH |
| Description | Medical Subject Headings (MeSH);National Library of Medicine; 2011 |
| Format | UMLS |
| Categories | Health |
| Groups | Unified Medical Language System |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 355,057 |
| Individuals | 0 |
| Properties | 37 |
| Max Depth | 18 |
| Max Child Count | 118 |
| Average Child Count | 4 |
| Classes With One Child | 3,565 |
| Classes With More Than 25 Children | 171 |
| Classes With No Definition | 324,173 |

## Projects using MESH

- [Semantic Indexing of French Biomedical Data Resources](https://bioportal.bioontology.org/projects/SIFR)
- [Kino](https://bioportal.bioontology.org/projects/Kino)
- [Socrates MD](https://bioportal.bioontology.org/projects/Socrates_MD)
- [Epidemic Marketplace](https://bioportal.bioontology.org/projects/Epiwork)
- [Lexigram](https://bioportal.bioontology.org/projects/lexigram)
- [ARRS GoldMiner](https://bioportal.bioontology.org/projects/ARRS_GoldMiner)
- [DisGeNET-RDF](https://bioportal.bioontology.org/projects/DisGeNET-RDF)
- [Retrospective Analytics System](https://bioportal.bioontology.org/projects/RAS)
- [The Ontological Discovery Environment](https://bioportal.bioontology.org/projects/TODE)
- [eagle-i](https://bioportal.bioontology.org/projects/eagle-i)
- [Biomedical Semantic QA](https://bioportal.bioontology.org/projects/BSQA)
- [Cell line ontology](https://bioportal.bioontology.org/projects/CLO)
- [Neuronal Morphologies and Species Metadata Classification System](https://bioportal.bioontology.org/projects/NMOSP)
- [PubChem](https://bioportal.bioontology.org/projects/PubChem)
- [Plant Ontology](https://bioportal.bioontology.org/projects/Plant_Ontology)

---

Source: https://library.schematica.io/model/13adc673745a483f83a93865e98ad86d