# National Cancer Institute Thesaurus (NCIT)

> Vocabulary for clinical care, translational and basic research, and public information and...

- Page: https://library.schematica.io/model/6e11b97ed1f9463c930abe83ea051d93
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OWL
- External link: https://bioportal.bioontology.org/ontologies/NCIT
- Contact: NCI Thesaurus Mailbox (ncithesaurus@mail.nih.gov)
- Listed in library: 2025-06-12
- Last updated: 2024-02-24

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | NCIT |
| Description | Vocabulary for clinical care, translational and basic research, and public information and administrative activities. |
| Format | OWL |
| Categories |  |
| Groups | Unified Medical Language System, Cancer Biomedical Informatics Grid, OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 184,165 |
| Individuals | 0 |
| Properties | 97 |
| Max Depth | 23 |
| Max Child Count | 3,234 |
| Average Child Count | 6 |
| Classes With One Child | 13,062 |
| Classes With More Than 25 Children | 1,285 |
| Classes With No Definition | 33,566 |

## Projects using NCIT

- [Semantic Indexing of French Biomedical Data Resources](https://bioportal.bioontology.org/projects/SIFR)
- [ISA software suite](https://bioportal.bioontology.org/projects/ISS)
- [PMF_Foodmatrix](https://bioportal.bioontology.org/projects/PMF_FM)
- [Epidemic Marketplace](https://bioportal.bioontology.org/projects/Epiwork)
- [SemGen](https://bioportal.bioontology.org/projects/SemGen)
- [LogMap](https://bioportal.bioontology.org/projects/LogMap)
- [International Fanconi Anemia Registry](https://bioportal.bioontology.org/projects/IFAR)
- [Lexigram](https://bioportal.bioontology.org/projects/lexigram)
- [eTOX](https://bioportal.bioontology.org/projects/eTOX)
- [AdaptEHR](https://bioportal.bioontology.org/projects/AdaptEHR)
- [Patient/Research Participant Permissions Ontology](https://bioportal.bioontology.org/projects/PRPPO)
- [Maggot](https://bioportal.bioontology.org/projects/Maggot)
- [MeRy-B](https://bioportal.bioontology.org/projects/MeRy-B)
- [A Visualization Tool for Refining Mappings between Biomedical Ontologies](https://bioportal.bioontology.org/projects/NViz)
- [Electronic Trial Master File](https://bioportal.bioontology.org/projects/eTMF)
- [Pediatric Terminology](https://bioportal.bioontology.org/projects/PT)
- [DisGeNET-RDF](https://bioportal.bioontology.org/projects/DisGeNET-RDF)
- [Sorcero Health Equity Analytics](https://bioportal.bioontology.org/projects/Sorcero)
- [Cellosaurus](https://bioportal.bioontology.org/projects/Cellosaurus)

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Source: https://library.schematica.io/model/6e11b97ed1f9463c930abe83ea051d93