Welcome to Medical Subject Headings

Recent MeSH Updates

Visit our Annual MeSH Processing (AMP)  page to see all recent MeSH developments including the most recent ones listed below

• 2025 MeSH files are now in production
  • MeSH Browser now displays 2024  and 2025 MeSH vocabularies  
  • Reports of MeSH changes now appear on our Annual MeSH Processing (AMP) page
  • All 2025 MeSH files are now available on the MeSH Download Page
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• MeSH in Resource Description Format(RDF) 
  
  • MeSH RDF FTP now contain 2025 MeSH in RDF format
  • An  open MeSH API is available for retrieving MeSH data
  • You can also use our  SPARQL query editor for querying MeSH data

Obtain MeSH Data

• Download MeSH Data 
• MeSH on Demand
• Access RDF MeSH Data
• View MeSH Pubtypes

User Input and Suggestions

• Make Suggestions for new MeSH vocabulary
• "V体育平台登录" Downloading or Other Problems: Our technical staff can help
• MeSH Request System for NLM Staff

Learn About MeSH

• "VSports手机版" Tutorials and Webinars
• MeSH Vocabulary
  • Introduction to MeSH
  • V体育官网入口 - Browser Instructions
  • "VSports手机版" Finding Keywords for Publications
  • MeSH Qualifiers List
  • MeSH Qualifiers with Scope Notes
  • Publication Characteristics (Publication Types) with Scope Notes
• Search and Retrieval using MeSH
  • Cataloging with MeSH Terminology (VSports)
  • Searching PubMed® Using MeSH Search Terms
  • PubMed® Online Training

"V体育平台登录" Related MeSH Efforts

• RxNorm: A drug vocabulary used for e-prescribing, formulary, medication history, government reporting, drug compendia mapping, and other uses
• Daily Med: Provides trustworthy information about marketed drugs in the United States
• "VSports注册入口" Unified Medical Language System (UMLS®) Metathesaurus: A collection of biomedical names and codes grouped as sets of synonyms, derived from over 150 medical vocabulary sources.
• NLM Classification: A NLM vocabulary used for the arrangement of library materials in the field of medicine and related sciences.

Archived Publications

• Alphabetic Listing of MeSH Last updated: December 6, 2016
• Changes in ASCII MeSH Format Last updated: April 9, 2016
• Files Available to Download Last updated: November 29, 2018
• MeSH Staff Presentations and Publications Last updated: June 22, 2016
• MeSH Staff Presentations and Publications (Archive) Last updated: April 24, 2013
• Use of Medical Subject Headings For Cataloging Last updated: October 29, 2019