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Nov

30

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What’s New for 2018 MeSH!

Posted by on November 30th, 2017 Posted in: Announcements, NLM Products, PubMed


MeSH is the National Library of Medicine (NLM) controlled vocabulary thesaurus that is updated annually. NLM uses the MeSH thesaurus 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 Vocabulary Development and Changes for 2018 MeSH:

Totals by Type of Terminology:

  • 28,939 MeSH Descriptors
  • 79 Qualifiers
  • 116,909 Total Descriptor Terms
  • 244,154 Supplementary Concept Records

Changes of Note for 2018:

The following changes are detailed in MEDLINE Data Changes—2018.

  1. The MeSH qualifier (subheading) /contraindications was deleted.
  2. Three new Publication Types are available for 2018; Adaptive Clinical Trial, Equivalence Trial, and Expression of Concern. Three new related MeSH headings were added; Adaptive Clinical Trials as Topic, Equivalence Trial as Topic, and Proof of Concept.
  3. Expanded and updated terminology areas include Isotopes and Radioisotopes, Smoking, Sugars, Viruses and new Supplementary Concept Record (SCR) class for Organisms.

Image of the author ABOUT Alan Carr
Alan Carr is the Associate Director, National Network of Libraries of Medicine, Pacific Southwest Region, based at UCLA.

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This project is funded by the National Library of Medicine, National Institutes of Health, Department of Health and Human Services, under Cooperative Agreement Number UG4LM012341 with the UCLA Louise M. Darling Biomedical Library.

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