is a Ontology.
It is part of the OMOP collection.
The Medical Subject Headings (MeSH) is a hierarchically-organized controlled vocabulary produced by the National Library of Medicine (NLM). It serves as the standard thesaurus for indexing and cataloging biomedical and health-related information in MEDLINE/PubMed and other NLM databases.
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| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| mesh.browser | MeSH Browser | search | Graphical Interface | http | The official MeSH Browser for searchi... |
| mesh.xml | MeSH XML Data | xmlmesh | Ontology | xml | MeSH data in XML format containing de... |
| mesh.rdf | MeSH RDF Data | 2025 | Ontology | rdfxml | MeSH data in RDF (Resource Descriptio... |
| mesh.ascii | MeSH ASCII Data | asciimesh | Ontology | txt | MeSH data in ASCII text format contai... |
| mesh.marc | MeSH MARC 21 Data | meshmarc | Ontology | mixed | MeSH data in MARC 21 bibliographic fo... |
| mesh.api.eutilities | MeSH E-utilities API | NBK25500 | Programming Interface | http | E-utilities API for programmatic acce... |
| mesh.api.rdf | MeSH RDF API | ui | Programming Interface | http | SPARQL endpoint and REST API for quer... |
| mesh.sparql.editor | MeSH SPARQL Query Editor | query | Graphical Interface | http | SPARQL query editor interface for int... |
| mesh.ondemand | MeSH on Demand | MeSHonDemand | Product | http | MeSH on Demand service for suggesting... |
| mesh.documentation | MeSH Documentation and Tutorials | mesh.html | Documentation | http | Comprehensive documentation about MeS... |
| ID | Name | URL | Category | Format | Relation | Description |
|---|---|---|---|---|---|---|
| alzkb.browser | AlzKB Graph Database Browser | login | Graphical Interface | http | had primary source | A browser interface for a knowledge g... |
| alzkb.data | AlzKB Data Release (Version 2.0.0) | v2.0.0 | Graph | mixed | had primary source | Memgraph data release for AlzKB. |
| spoke.graph | SPOKE Graph | data-tools | Graph | http | had primary source | The SPOKE knowledge graph containing ... |
| pharmkg.graph | PharmKG graph | 4077338 | Graph | mixed | had primary source | Cleaned benchmark graph (PharmKG-8k) ... |
| drugmechdb.graph | DrugMechDB Graph Dataset | zenodo.8139357 | Graph | mixed | had primary source | Curated mechanistic drug–disease path... |
| microbiomekg.api | MicrobiomeKG Plover TRAPI API | mbkp | Programming Interface | http | had primary source | Plover-hosted TRAPI web API for query... |
| icees-kg.graph | KGX distribution of the ICEES Exposures KP | 1.5.0 | Graph | kgx-jsonl | had primary source | KGX distribution of the ICEES Exposur... |
| icees-kg.trapi | ICEES KG TRAPI API | icees-kg-trapi | Programming Interface | http | had primary source | Translator Reasoner API (TRAPI) endpo... |
| icees-kg.metadata | ICEES KG Metadata | metadata-metadata-get-icees-kg | Product | json | had primary source | Meta knowledge graph and metadata des... |
| athena.mappings ⚠ | Athena Concept Mappings | start | Mapping | csv | had primary source | Concept mappings between different te... |
| unibiomap.links | UniBioMap Graph Links | unibiomap.links.csv (1.3 GB) | Graph | csv | had primary source | Core UniBioMap graph edges file. |
| unibiomap.auxs | UniBioMap Graph Auxiliaries | unibiomap.auxs.tsv (563.9 MB) | Graph | tsv | had primary source | Auxiliary UniBioMap graph annotations... |
| unibiomap.pred | UniBioMap Predicted Graph | unibiomap.pred.csv (2.3 GB) | Graph | csv | had primary source | Predicted UniBioMap graph edges with ... |
| unibiomap.pred.full | UniBioMap Predicted Graph (Full) | unibiomap.pred.full.csv (5.9 GB) | Graph | csv | had primary source | Full unfiltered UniBioMap predicted g... |
| obo-db-ingest.mesh.tsv | mesh Nodes TSV | mesh.tsv (11.6 MB) | Product | tsv | had primary source | mesh Nodes TSV |
| athena.vocabularies ⚠ | Athena Vocabulary Downloads | list | Product | csv | had primary source | Downloadable standardized vocabulary ... |
| forum.webapp | FORUM Web Application | forum-webapp.semantic-metabolomics.fr | Graphical Interface | http | had primary source | FORUM web application interface for s... |
| forum.api | FORUM API | openapi-documentation | Programming Interface | http | had primary source | FORUM REST API for programmatic acces... |
| forum.void | FORUM VoID Metadata | void (94.2 KB) | Documentation | ttl | had primary source | FORUM VoID (Vocabulary of Interlinked... |
| hetionet.neo4j | Hetionet v1.0 Neo4j Database | browser | Graphical Interface | http | had primary source | Browser for complete Hetionet v1.0 gr... |
| hetionet.data.json | Hetionet v1.0 JSON | hetionet-v1.0.json.bz2 (131 B) | Graph | json | had primary source | Hetionet v1.0 in JSON format |
| hetionet.data.neo4j | Hetionet v1.0 Neo4j | hetionet-v1.0.db.tar.bz2 (132 B) | Graph | neo4j | had primary source | Hetionet v1.0 as a Neo4j database |
| hetionet.data.edges | Hetionet v1.0 edges (SIF) | hetionet-v1.0-edges.sif.gz (131 B) | Graph | sif | had primary source | Hetionet v1.0 as SIF edges |
| hetionet.data.nodes | Hetionet v1.0 nodes (TSV) | hetionet-v1.0-nodes.tsv (417.1 KB) | Graph | tsv | had primary source | Hetionet v1.0 as TSV nodes |
| hetionet.hetnetpy | hetnetpy | hetnetpy | Process | python | had primary source | Python package for creating, querying... |
| hetionet.search | Hetnet Connectivity Search | search | Graphical Interface | http | had primary source | Web application to search and explore... |
| medkg.site | MedKG Site | medkg | Graphical Interface | http | had primary source | Graphical interface for MedKG |
| mind.train ⚠ | MIND Training Data | train.txt | Graph | tsv | had primary source | Training data for the MIND knowledge ... |
| mind.test ⚠ | MIND Test Data | test.txt | Graph | tsv | had primary source | Test data for the MIND knowledge grap... |
| mind.valid ⚠ | MIND Validation Data | valid.txt | Graph | tsv | had primary source | Validation data for the MIND knowledg... |
| mind.entities | MIND Entities Dictionary | entities.dict (5.4 MB) | Product | tsv | had primary source | Dictionary of entities in the MIND kn... |
| mind.relations | MIND Relations Dictionary | relations.dict (1.6 KB) | Product | tsv | had primary source | Dictionary of relations in the MIND k... |
| tera.traits-nt | EOL Traits Data (N-Triples) | traits.nt (923.2 MB) | Product | ntriples | had primary source | Encyclopedia of Life traits data in N... |
| tera.cas-to-mesh-csv | CAS to MeSH Mapping (CSV) | cas_to_mesh.csv (106.8 KB) | Mapping | csv | had primary source | Mapping file linking CAS Registry Num... |
| tera.chebi-to-mesh-csv | ChEBI to MeSH Mapping (CSV) | chebi_to_mesh.csv (76.8 KB) | Mapping | csv | had primary source | Mapping file linking ChEBI identifier... |
| eram.web | eRAM Web Interface | eram | Graphical Interface | http | was informed by | Web-based interface for browsing and ... |
| eram.downloads | eRAM Data Downloads | download.php | Product | mixed | was derived from | Downloadable data files containing ra... |
| med-rt.core_dts | Core MED-RT DTS Archive | Core_MEDRT_DTS.zip (2.4 MB) | Product | mixed | was informed by | Current MED-RT DTS release archive fr... |
| med-rt.core_xml | Core MED-RT XML Archive | Core_MEDRT_XML.zip (2.4 MB) | Product | xml | was informed by | Current MED-RT XML release archive fr... |
| openpredict.api | OpenPredict API | docs | Programming Interface | http | used | TRAPI 1.4 API for predicted drug trea... |
| openpredict.predictions ⚠ | OpenPredict Prediction Data | docs | Product | mixed | used | Pre-computed prediction outputs expos... |
| orphanet.scientific_knowledge_files | Orphanet Scientific Knowledge Files | orphanet-scientific-knowledge-files | Product | xml | was informed by | Orphanet scientific knowledge files f... |
| predict.method | PREDICT Drug-Indication Inference Method | msb.2011.26 | Process | http | used | PREDICT computational method for larg... |
| predict.supporting-information | PREDICT Supporting Information | PMC3159979 | Product | mixed | used | Supporting information for the PREDIC... |
| acukg.csv | AcuKG CSV tables | AcuKG | Graph | csv | used | Source CSV tables for AcuKG, includin... |
| acukg.rdf | AcuKG RDF Turtle files | AcuKG_RDF | Graph | ttl | used | RDF Turtle representation of AcuKG re... |
| acukg.json | AcuKG JSON files | AcuKG_json | Graph | json | used | JSON representation of AcuKG relation... |
| cardiokg.neo4j | CardioKG Neo4j graph construction scripts | zenodo.16025953 | Graph | neo4j | used | Neo4j construction artifacts for Card... |
| biobtree.api | BioBTree REST API | api | Programming Interface | http | had primary source | REST API for searching identifiers an... |
| genecards.web.interface | GeneCards Web Interface | www.genecards.org | Graphical Interface | http | had primary source | Web-based interface for searching and... |
| biobtree.graph.human-subgraph | BioBTree Knowledge Graph - Human Subgraph (KGX) | 20816742 | Graph | kgx | had primary source | Human-scoped, Neo4j-ready subgraph of... |
| forum.graph.dump | FORUM Knowledge Graph SPARQL Endpoint | sparql | Graph | http | had primary source | Public SPARQL endpoint (OpenLink Virt... |
| kg-alzheimers.graph ⚠ | KGX Distribution of KG-Alzheimers | kg-alzheimers.tar.gz (201.1 MB) | Graph | kgx | had primary source | KGX Distribution of KG-Alzheimers |
| unibiomap.disease_desc ⚠ | UniBioMap Disease Descriptions | disease_desc.json | Graph | json | had primary source | UniBioMap disease entity descriptions. |
| biobricks-mesh.graph ⚠ | BioBricks MeSH Graph | mesh-kg | Graph | ttl | was derived from | RDF knowledge graph (Turtle) repackag... |
| spoke-okn.graph | SPOKE-OKN Graph | spoke.ucsf.edu | Graph | ttl | was influenced by | The SPOKE-OKN knowledge graph, an OKN... |
| pubchem.substances.asn | PubChem Substances ASN | ASN | Product | xml | was influenced by | PubChem substance information in ASN.... |
| pubchem.substances.sdf | PubChem Substances SDF | SDF | Product | sdf | was influenced by | PubChem substance information in SDF ... |
| ctd.chem_gene_ixns | CTD Chemical-Gene Interactions | CTD_chem_gene_ixns.tsv.gz (41.1 MB) | Product | tsv | was derived from | Curated chemical-gene and chemical-pr... |
| ctd.chemicals_diseases | CTD Chemical-Disease Associations | CTD_chemicals_diseases.tsv.gz (154.4 MB) | Product | tsv | was derived from | Chemical-disease associations, both c... |
| ctd.genes_diseases | CTD Gene-Disease Associations | CTD_genes_diseases.tsv.gz (3.0 GB) | Product | tsv | was derived from | Gene-disease associations, both curat... |
| ctd.chemicals | CTD Chemical Vocabulary | CTD_chemicals.tsv.gz (10.2 MB) | Product | tsv | was derived from | CTD's hierarchical chemical vocabular... |
| ctd.medic | CTD Disease Vocabulary (MEDIC) | CTD_diseases.obo.gz (1.4 MB) | Ontology | obo | was derived from | MEDIC, CTD's disease vocabulary, a mo... |
| ctd.anatomy | CTD Anatomy Vocabulary | CTD_anatomy.tsv.gz (317.3 KB) | Product | tsv | was derived from | CTD's anatomy vocabulary, a modified ... |
The Medical Subject Headings (MeSH) is a hierarchically-organized controlled vocabulary developed and maintained by the National Library of Medicine (NLM). MeSH serves as the authoritative thesaurus for indexing, cataloging, and searching biomedical and health-related information across multiple NLM databases, most notably MEDLINE/PubMed.
MeSH provides a consistent way to retrieve information that may use different terminology for the same concepts. It consists of descriptors arranged in a hierarchical structure that permits searching at various levels of specificity. The vocabulary is updated annually, with new descriptors added and existing ones modified to reflect advances in medical knowledge.
MeSH is primarily used for:
MeSH data is available in multiple formats to support different use cases:
The vocabulary is accessible through various interfaces including the MeSH Browser, programmatic APIs, and downloadable data files. Updates are provided annually for the main vocabulary, with daily updates for supplemental concept records.
Created: October 10, 2025 | Last modified: September 16, 2026