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<p class="tableOfContents"><strong>Table of Contents: <a href="/pubs/techbull/nd16/nd16_issue_cover.html">2016 NOVEMBER&#8211;DECEMBER No. 413</a></strong></p>
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<span class="previous"><a href="nd16_2017_mesh_browser.html">Previous</a></span> <span class="next"><a href="nd16_umls_2016ab_release.html">Next</a></span>
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<h1 class="articleH1">New MeSH Browser Available</h1>
<p class="tbyearmonth">Sorden N. New MeSH Browser Available. NLM Tech Bull. 2016 Nov-Dec;(413):e2.</p>
<div class="articleactions">2016 November 10 <span class="status">[posted]</span>
</div>
<div class="articleParagraph">
<p>The MeSH Browser is being totally redesigned and rebuilt (see <a href="
https://www.nlm.nih.gov/pubs/techbull/so16/brief/so16_mesh_browser_upgrade.html"><em>Beta Version of the MeSH Browser Available for Testing on September 14, 2016</em></a>).
</p>
<p>The target date to implement the new MeSH Browser as the production version is November 16, 2016.</p>
<p>Here are some of the new and different features of the <a href="https://meshb.nlm.nih.gov">new MeSH Browser</a>.
</p>
<h2>Site Navigation</h2>
<p>The following options and controls are now listed along the top navigation bar on every page (see <a href="#fig1"><strong>A</strong> in Figure 1</a>). </p>
<ul>
<li>Search (formerly: "Return to Entry Page")</li>
<li>Tree View (formerly: "Navigate from tree top")</li>
<li>MeSH Suggestions (formerly: "MeSH vocabulary suggestions")</li>
<li>MeSH on Demand (formerly found next to search options)</li>
<li>MeSH 2016 or other alternate MeSH year (formerly: "Go to 2016 MeSH")</li>
<li>Contact Us (formerly found at the very bottom of the page)</li>
</ul>
<h2>Search</h2>
<p>The Search application (see <a href="#fig1"><strong>B</strong> in Figure 1</a>) gives a choice between two different search modes, FullWord or SubString search, using a drop down menu (see <a href="#fig1"><strong>C</strong> in Figure 1</a>). The FullWord search looks for complete words only, not strings that are part of a word, term, or sentence. SubString search is most similar to the current MeSH Browser and searches for a string of characters that are a complete term or are within a sentence or within another word.
</p>
<p>Display of the search results can be modified in the new MeSH Browser. There is a choice of seeing the results sorted by "Relevance" or alphabetically by "Name" of the record that contains the Term found by the search (see <a href="#fig1"><strong>D</strong> in Figure 1</a>). Display of either 20 or 1000 results per page can also be selected (see <a href="#fig1"><strong>E</strong> in Figure 1</a>).
</p>
<a name="fig1"></a>
<div class="figure"><br />
<img src="/pubs/techbull/nd16/graphics/meshbrowser_fig1.png" alt="screenshot of the new MeSH Browser homepage and navigation bar" title="screenshot of the new MeSH Browser homepage and navigation bar" /><br />
<strong>Figure 1: The new MeSH Browser homepage and navigation bar.</strong>
</div>
<h2>Display Tabs</h2>
<p>The display of the records themselves has changed. There are now four separate tabs for viewing the record: Details, Qualifiers, MeSH Tree Structures, and Concepts (see <a href="#fig2">Figure 2</a>). Please note that the displays are subject to adjustment before the final version of the new MeSH Browser is in production.</p>
<p>See the following examples of the new tabbed record displays for the MeSH Main Heading (Descriptor) <a href="https://meshb-prev.nlm.nih.gov/#/record/ui?ui=D000067697">Adolescent Health</a>.
</p>
<h3>Details Tab</h3>
<p>The Details record view is the default.</p>
<p>From the Details view, there are two ways to access the MeSH Trees. Click directly on the MeSH Tree Structures tab (see <a href="#fig2"><strong>A</strong> in Figure 2</a>) or click on the Tree Number (see <a href="#fig2"><strong>B</strong> in Figure 2</a>) to go to its location in MeSH Tree Structures view.</p>
<p>Note that now the NLM Classification number is shown when a MeSH Main Heading (Descriptor) points to a single number in the NLM Classification (see <a href="#fig2"><strong>C</strong> in Figure 2</a>). </p>
<a name="fig2"></a>
<div class="figure"><br />
<img src="/pubs/techbull/nd16/graphics/meshbrowser_fig2.png" alt="screenshot of the MeSH record Details view for Adolescent Health" title="screenshot of the MeSH record Details view for Adolescent Health" /><br />
<strong>Figure 2: The Details view for the MeSH record.</strong>
</div>
<h3>MeSH Tree Structures Tab</h3>
<p>In MeSH Tree Structures view, browse the MeSH Trees by clicking on the plus sign to expand the tree at a specific node (see <a href="#fig3"> Figure 3</a>). The expanded nodes in the Tree view are displayed within the context of the entire hierarchy and all nodes above the expansion point are available for navigation on the screen.
</p>
<a name="fig3"></a>
<div class="figure"><br />
<img src="/pubs/techbull/nd16/graphics/meshbrowser_fig4.png" alt="screenshot of the MeSH Tree Structures for Adolescent Health" title="screenshot of the MeSH Tree Structures for Adolescent Health" /><br />
<strong>Figure 3: The MeSH Tree Structures view for the MeSH record.</strong>
</div>
<p>Note that the MeSH Trees are accessible also from the <a href="https://meshb.nlm.nih.gov/#/treeSearch">Tree View link</a> (formerly: "Navigate from the tree top") that is found on the top navigation bar (see <a href="#fig1"><strong>A</strong> in Figure 1</a>).
Browse the MeSH Trees by clicking on the plus sign to expand the tree at a specific node.</p>
<h3>Qualifiers Tab</h3>
<p>Qualifiers are displayed on their own tab (see <a href="#fig4"> Figure 4</a>)</p>
<a name="fig4"></a>
<div class="figure"><br />
<img src="/pubs/techbull/nd16/graphics/meshbrowser_fig5.png" alt="screenshot of the MeSH Qualifier view for Adolescent Health" title="screenshot of the MeSH Qualifier view for Adolescent Health" /><br />
<strong>Figure 4: The Qualifiers view for the MeSH record.</strong>
</div>
<h3>Concepts Tab</h3>
<p>In the Concepts tab, the Concepts views can be expanded or collapsed by clicking on the "Expand All"/"Collapse All" button (see <a href="#fig5"><strong>A</strong> in Figure 5</a>), or by clicking on Concept terms (Preferred, Narrower, Broader or Related) (see <a href="#fig5"><strong>B</strong> in Figure 5</a>) or any of the entry Terms in each concept (see <a href="#fig6"><strong>B</strong> and <strong>C</strong> in Figure 6</a>).
</p>
<a name="fig5"></a>
<div class="figure"><br />
<img src="/pubs/techbull/nd16/graphics/meshbrowser_fig6.png" alt="screenshot of the MeSH Concept view for Adolescent Health" title="screenshot of the MeSH Concept view for Adolescent Health" /><br />
<strong>Figure 5: The Concept view for the MeSH record.</strong>
</div>
<p>In the expanded Concept view, the Concept Unique Identifiers (UIs) link to MeSH RDF data (see <a href="#fig6"><strong>A</strong> in Figure 6</a>).
</p>
<p>For more information on MeSH as Link Data, see <a href="https://id.nlm.nih.gov/mesh/">MeSH RDF Linked Data (beta) service from NLM</a>.
</p>
<a name="fig6"></a>
<div class="figure"><br />
<img src="/pubs/techbull/nd16/graphics/meshbrowser_fig7.png" alt="screenshot of the MeSH expanded Concept view for Adolescent Health" title="screenshot of the MeSH expanded Concept view for Adolescent Health" /><br />
<strong>Figure 6: The expanded Concept view for the MeSH record.</strong>
</div>
<p> NLM welcomes your feedback on the new MeSH Browser. Please send comments and questions to <a href="//support.nlm.nih.gov/?style=classic">NLM Customer Service</a> with "MeSH Browser" in the Subject field.</p>
</div>
<p class="articleParagraph">
By
Nancy Sorden<br />
MeSH Section<br />
</p>
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