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<div class="actions">November 27, 2007 <span class="status">[posted]</span>
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<h1>Enhanced MeSH<span class="registered">&#174;</span> Browser</h1>
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<p class="first">
<span class="initcap">a</span> new feature has been added to the Descriptor display in the <a href="//www.nlm.nih.gov/mesh/MBrowser.html">MeSH Browser</a>. Since June 2007, you have the additional option of viewing the "Concept View" (see <a href="#fig1">Figure 1</a>) of the record as it exists in XML MeSH (see <a href="//www.nlm.nih.gov/mesh/filelist.html">files available to download</a>.)
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alt="Screen capture of MeSH record."
title="" width="502" height="449" /><br />
<strong>Figure 1: Standard View of a MeSH record with links to Concept View and Expanded Concept View.</strong></a>
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<p>
The concept structure view groups synonymous terms into concepts. For example, the terms "Cardiomegaly" and "Enlarged Heart" are synonymous and so belong in the same concept (see <a href="#fig2">Figure 2</a>). Every Descriptor record has at least one concept and every concept has at least one term. For further information see <a href="//www.nlm.nih.gov/mesh/concept_structure.html">Concept Structure in XML MeSH</a>.
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<strong>Figure 2: Standard Concept View of a MeSH record.</strong></a>
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<p>
The "Standard" Concept View provides the minimum concept structure, with terms and scope notes. The "Expanded" Concept View provides additional concept and term attributes, such as Concept UI, Semantic Type, and Lexical Tag. Definitions of these attributes are given in the list of <a href="//www.nlm.nih.gov/mesh/xml_data_elements.html">XML MeSH Data Elements</a>, where the "MeSH Browser" label is given for every applicable element.
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<p class="authors">
By
Douglas Johnston<br />
MeSH Section<br />
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<p class="citation">Johnston D. Enhanced MeSH<span class="registered">&#174;</span> Browser. NLM Tech Bull. 2007 Nov-Dec; (359):e8.</p>
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