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Medical Subject Headings (MeSH) RDF is a linked data representation of the MeSH biomedical vocabulary produced by the National Library of Medicine. MeSH RDF includes a downloadable file in RDF N-Triples format, a SPARQL query editor, a SPARQL endpoint (API), and a RESTful interface for retrieving MeSH data.

MeSH RDF supports the following use cases:

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MeSH RDF Resources

Download MeSH in RDF N-Triples format (mesh.nt.gz).

Query MeSH using SPARQL. See our sample queries.


Retrieve RDF URIs for specific MeSH descriptors or request data for specific MeSH identifiers.

Retrieve RDF URIs for specific MeSH descriptors.

Documentation includes sample queries, MeSH data model diagrams and more.

Visit our GitHub repository and submit an issue or contact NLM Customer Support.