Medical vocabulary changes in PubMed or Medline

Overview of Vocabulary Development and Changes for 2012 MeSH

  • 454 Descriptors added
  • 42 Descriptor terms replaced with more up-to-date terminology
  • 15 Descriptors deleted

Totals by Type of Terminology

  • 26,582 Descriptors
  • 83 Qualifiers
  • 202,066 Supplementary Concept Records (SCRs)

Helpful Links

Please consult the 2012 online Introduction to MeSH for more details. Lists of new and changed vocabulary are available at these links:

MeSH Vocabulary Changes
New Descriptors – 2012
Changed Descriptors – 2012
Deleted Descriptors – 2012
New Descriptors by Tree Subcategory – 2012

Source: NLM New files for the week of Dec 5, 2011

MeSH, Medical Subject Headings from NLM (National Library of Medicine)

MeSH is a great resource,a thesaurus, especially significant if you access Medline — from whatever source.  (PubMed is the free version, accessible everywhere anyone has access to the internet.)

MeSH means Medical Subject Headings.  They are assigned by indexers at the National Library of Medicine.  This thesaurus is complete with definitions or scope notes.  It is organized in a hierarchical fashion so that if you wanted to search all antibiotics, for example, you wouldn’t have to separately type all of them, but could just “explode” the main heading.  You can limit the headings to a major concept, the most important concept(s) in the article.  You can also attach subheadings, such as adverse effects of antibiotics.

 

Medical subject headings for MEDLINE 2010

Every year the indexers at the National Library of Medicine update the Medical Subject Headings (MeSH) based on the latest usage of biomedical, pharmaceutical, public health and disease terminology.

 *NLM Technical Bulletin, Nov-Dec 2009, Newly Maintained MEDLINE for 2010 MeSH Now Available in PubMed

Source: NLM New files for the week of Dec 14, 2009