What’s New for 2019 MeSH!

Posted by Alan Carr on December 13th, 2018 Posted in: Communications Tools, NLM Resources, PubMed, Search Tools

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MeSH is the NLM controlled vocabulary thesaurus that is updated annually. It is used to index articles from thousands of biomedical journals for the MEDLINE/PubMed database and for the cataloging of books, documents, and audiovisuals acquired by the library.

Overview of changes in the 2019 release of MeSH

• 421 New Descriptors
• 9 Deleted Descriptors
• 3 Deleted Qualifiers
• 20 New Publication Types (four used for article indexing)

Current totals by type of terminology

• 29,351 Descriptors
• 76 Qualifiers
• 247,209 Supplementary Concepts Records

More information

• New Headings with Scope Notes, Annotations and Tree Locations: Two Column PDF One Column PDF
• Fate of Deleted Descriptors: PDF File
• Fate of Deleted Qualifiers: PDF File
• Terms Moving From One Descriptor to Another: PDF File XLSX File
• Terms Moving (promoted) From Supplemental Records to Descriptors: PDF File XLSX File
• 2019 MeSH Publication Types: PDF File XLSX File