Vocabulary, Controlled

"Vocabulary, Controlled" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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A specified list of terms with a fixed and unalterable meaning, and from which a selection is made when CATALOGING; ABSTRACTING AND INDEXING; or searching BOOKS; JOURNALS AS TOPIC; and other documents. The control is intended to avoid the scattering of related subjects under different headings (SUBJECT HEADINGS). The list may be altered or extended only by the publisher or issuing agency. (From Harrod's Librarians' Glossary, 7th ed, p163)


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This graph shows the total number of publications written about "Vocabulary, Controlled" by people in this website by year, and whether "Vocabulary, Controlled" was a major or minor topic of these publications.
Bar chart showing 21 publications over 14 distinct years, with a maximum of 3 publications in 2015 and 2020
To see the data from this visualization as text, click here.