nih-gov/www.nlm.nih.gov/mesh/dtype.html
2025-02-26 13:17:41 -05:00

507 lines
20 KiB
HTML
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!doctype html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@100;300;400;500;700&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.10/css/all.css" integrity="sha384-+d0P83n9kaQMCwj8F4RJB66tzIwOKmrdb46+porD/OvrJ+37WqIM7UoBtwHO6Nlg" crossorigin="anonymous">
<link rel="schema.DC" href="http://purl.org/dc/elements/1.1/" title="The Dublin Core metadata Element Set" />
<link rel="stylesheet" href="/home_assets/uswds/css/styles.css">
<link rel="stylesheet" type="text/css" href="/mesh/styles/mesh.css" title="default" />
<title>ASCII MeSH Descriptor Data Elements</title>
<link rel="schema.DC" href="http://purl.org/dc/elements/1.1/" title="The Dublin Core metadata Element Set" />
<meta name="DC.Title" content="ASCII MeSH Descriptor Data Elements" />
<meta name="DC.Publisher" content="U.S. National Library of Medicine" />
<meta name="DC.Date.Issued" content="2014-08-20" />
<meta name="DC.Date.Modified" content="2023-03-27" />
<meta name="NLMDC.Date.LastReviewed" content="2016-08-03" />
<meta name="NLM.Contact.Email" content="NLMUSCDHDSCVSMeSHWeb@mail.nih.gov" />
<meta name="DC.Type" content="Technical Documentation" />
<meta name="NLM.Permanence.Level" content="Permanent: Dynamic Content" />
<meta name="DC.Rights" content="Public Domain" />
<meta name="DC.Language" content="eng" />
<!-- Google Tag Manager --><script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push(
{'gtm.start': new Date().getTime(),event:'gtm.js'}
);var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-MT6MLL');</script>
<!-- End Google Tag Manager -->
</head>
<body>
<!-- Google Tag Manager -->
<noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-MT6MLL" height="0" width="0" style="display:none;visibility:hidden" title="googletagmanager"></iframe></noscript>
<!-- End Google Tag Manager -->
<!-- TOP NAV -->
<a class="usa-skipnav" href="#main">Skip to main content</a>
<div class="usa-banner site-banner" aria-label="Official government website">
<div class="usa-accordion">
<header class="usa-banner__header">
<div class="usa-banner__inner">
<div class="grid-col-auto"> <img class="usa-banner__header-flag" src="https://assets.nlm.nih.gov/uswds/img/us_flag_small.png" alt="U.S. flag"/> </div>
<div class="grid-col-fill tablet:grid-col-auto">
<p class="usa-banner__header-text"> An official website of the United States government </p>
<p class="usa-banner__header-action" aria-hidden="true"> Heres how you know </p>
</div>
<button class="usa-accordion__button usa-banner__button" aria-expanded="false" aria-controls="gov-banner"> <span class="usa-banner__button-text">Heres how you know</span> </button>
</div>
</header>
<div class="usa-banner__content usa-accordion__content" id="gov-banner">
<div class="grid-row grid-gap-lg">
<div class="usa-banner__guidance tablet:grid-col-6"> <img class="usa-banner__icon usa-media-block__img" src="https://assets.nlm.nih.gov/uswds/img/icon-dot-gov.svg" role="img" alt="" aria-hidden="true"/>
<div class="usa-media-block__body">
<p> <strong> Official websites use .gov </strong> <br />
A <strong>.gov</strong> website belongs to an official government
organization in the United States. </p>
</div>
</div>
<div class="usa-banner__guidance tablet:grid-col-6"> <img class="usa-banner__icon usa-media-block__img" src="https://assets.nlm.nih.gov/uswds/img/icon-https.svg" role="img" alt="" aria-hidden="true"/>
<div class="usa-media-block__body">
<p> <strong> Secure .gov websites use HTTPS </strong> <br />
A <strong>lock</strong> ( <span class="icon-lock">
<svg xmlns="http://www.w3.org/2000/svg" width="52" height="64" viewBox="0 0 52 64" class="usa-banner__lock-image" role="img" aria-labelledby="banner-lock-title-default banner-lock-description-default" focusable="false">
<title id="banner-lock-title-default">Lock</title>
<desc id="banner-lock-description-default">A locked padlock</desc>
<path fill="#000000" fill-rule="evenodd" d="M26 0c10.493 0 19 8.507 19 19v9h3a4 4 0 0 1 4 4v28a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4V32a4 4 0 0 1 4-4h3v-9C7 8.507 15.507 0 26 0zm0 8c-5.979 0-10.843 4.77-10.996 10.712L15 19v9h22v-9c0-6.075-4.925-11-11-11z"/>
</svg>
</span> ) or <strong>https://</strong> means youve safely connected to the .gov website. Share sensitive information only on official, secure websites. </p>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- HEADER -->
<header id="siteheader" class="usa-header usa-header--basic">
<div class="usa-nav-container tablet:padding-x-4 mobile-lg:padding-x-2 padding-y-1">
<div class="grid-row padding-y-105">
<div class="grid-col-8 desktop:grid-col-4 tablet-lg:grid-col-4 tablet:grid-col-6"> <a href="https://www.nlm.nih.gov/"> <img src="https://assets.nlm.nih.gov/uswds/img/NLM_White.png" alt="NLM logo" class="logo margin-top-1"> </a> </div>
<div class="desktop:grid-col-4 desktop:grid-offset-4 tablet-lg:grid-col-6 tablet-lg:grid-offset-2 tablet:grid-col-6 grid-col-12">
<form class="usa-search desktop:margin-top-2 tablet:margin-top-2 mobile:margin-top-1" role="search" data-gtm-form-interact-id="0" method="get" action="//vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta" target="_self" name="searchForm" id="searchForm2">
<input class="usa-input ui-autocomplete-input" aria-label="Search" type="search" name="query" data-gtm-form-interact-field-id="0" id="search2" autocomplete="off" placeholder="Search NLM" >
<input type="hidden" name="v:project" value="nlm-main-website">
<button class="usa-button border border-top border-bottom border-right border-white" role="button" aria-label="Search" type="submit"> <span class="usa-search__submit-text"> <i class="fas fa-search"></i> </span> </button>
</form>
</div>
</div>
</div>
</header>
<div class="bg-secondary insertCOOP">
<div class="usa-nav-container">
<div class="usa-navbar ">
<button class="usa-menu-btn">Menu</button>
</div>
<nav aria-label="Primary navigation" class="usa-nav">
<button class="usa-nav__close"><img src="https://assets.nlm.nih.gov/uswds/img/close.svg" alt="close"></button>
<ul class="usa-nav__primary usa-accordion insertNav">
<li class="usa-nav__primary-item desktop-lg:margin-x-5 desktop:margin-x-3 tablet:margin-x-0">
<button type="button" class="usa-accordion__button usa-nav__link usa-current" aria-expanded="false" aria-controls="basic-nav-section-one"> <span>Products and Services <i class="fas fa-caret-down margin-left-05"></i> </span> </button>
<ul id="basic-nav-section-one" class="usa-nav__submenu bg-secondary" hidden="">
<li class="usa-nav__submenu-item"> <a href="//eresources.nlm.nih.gov/nlm_eresources/"><span>All Products and Services</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//clinicaltrials.gov/"><span>ClinicalTrials.gov</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//collections.nlm.nih.gov/"><span>Digital Collections</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//catalog.nlm.nih.gov"><span>LocatorPlus Catalog</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//meshb.nlm.nih.gov/search"><span>Medical Subject Headings (MeSH)</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//medlineplus.gov/"><span>MedlinePlus</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//pubmed.ncbi.nlm.nih.gov/"><span>PubMed/MEDLINE</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//uts.nlm.nih.gov/uts/"><span>Unified Medical Language System (UMLS)</span></a> </li>
</ul>
</li>
<li class="usa-nav__primary-item desktop-lg:margin-x-5 desktop:margin-x-3 tablet:margin-x-0">
<button type="button" class="usa-accordion__button usa-nav__link usa-current" aria-expanded="false" aria-controls="basic-nav-section-two"> <span> Resources for You <i class="fas fa-caret-down margin-left-05"></i></span> </button>
<ul id="basic-nav-section-two" class="usa-nav__submenu bg-secondary" hidden="">
<li class="usa-nav__submenu-item"> <a href="/portals/researchers.html"><span>For Researchers</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/portals/publishers.html "><span>For Publishers</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/portals/librarians.html"><span>For Librarians</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/training.html "><span>For Educators/Trainers </span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/portals/healthcare.html"><span>For Health care Professionals</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/portals/public.html "><span>For the Public</span></a> </li>
</ul>
</li>
<li class="usa-nav__primary-item desktop-lg:margin-x-5 desktop:margin-x-3 tablet:margin-x-0">
<button type="button" class="usa-accordion__button usa-nav__link usa-current" aria-expanded="false" aria-controls="basic-nav-section-three"> <span>Explore NLM <i class="fas fa-caret-down margin-left-05"></i> </span> </button>
<ul id="basic-nav-section-three" class="usa-nav__submenu bg-secondary" hidden="">
<li class="usa-nav__submenu-item"> <a href="/about/index.html"><span>About the Library</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/about/visitor.html"><span>Visit the Library</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/hmd/index.html"><span>History of Medicine</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/about/org.html"><span>NLM by Organization</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/news/newsandevents.html"><span>News, Events, and Updates</span></a> </li>
</ul>
</li>
<li class="usa-nav__primary-item desktop-lg:margin-x-5 desktop:margin-x-3 tablet:margin-x-0">
<button type="button" class="usa-accordion__button usa-nav__link usa-current" aria-expanded="false" aria-controls="basic-nav-section-four"> <span> Grants and Research <i class="fas fa-caret-down margin-left-05"></i> </span> </button>
<ul id="basic-nav-section-four" class="usa-nav__submenu bg-secondary" hidden="">
<li class="usa-nav__submenu-item"> <a href="/ep/index.html"><span>NLM Extramural Programs</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="/research/index.html"><span>NLM Intramural Research Program</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="https://www.ncbi.nlm.nih.gov/"><span>National Center for Biotechnology Information</span></a> </li>
<li class="usa-nav__submenu-item"> <a href="//lhncbc.nlm.nih.gov/"><span>Lister Hill National Center for Biomedical Communications</span></a> </li>
</ul>
</li>
</ul>
</nav>
</div>
</div>
<!-- End of TOP NAV -->
<!-- DIVISIONAL BANNER -->
<div class="bg-gray-70">
<div class="grid-container">
<div class="grid-row divisional">
<a href=""><img src="/images/meshhead.gif" class="float-left margin-top-2 margin-right-2" alt="MeSH logo"></a>
<div class="grid-col text-white">
<div class="float-left">
<h4 class="margin-bottom-0">Medical Subject Headings</h4>
</div>
<div class="float-right margin-top-05">
<p>
<a class="text-white" href="/mesh/">MeSH Home</a>
&nbsp;&nbsp;|&nbsp;&nbsp;<a class="text-white" href="https://www.nlm.nih.gov/bsd/disted/mesh.html">Learn About MeSH</a>
&nbsp;&nbsp;|&nbsp;&nbsp;<a class="text-white" href="https://meshb.nlm.nih.gov/">MeSH Browser</a>
&nbsp;&nbsp;|&nbsp;&nbsp;<a class="text-white" href="/databases/download/mesh.html">Download MeSH Data</a>
&nbsp;&nbsp;|&nbsp;&nbsp;<a class="text-white" href="https://meshb.nlm.nih.gov/MeSHonDemand">MeSH on Demand</a>
&nbsp;&nbsp;|&nbsp;&nbsp;<a class="text-white" href="/mesh/meshsugg.html">Suggestions</a>
</p>
</div>
</div>
</div>
</div>
</div>
<!--END DIVISIONAL BANNER -->
<!-- Breadcrumbs -->
<div class="grid-container">
<nav class="usa-breadcrumb usa-breadcrumb--wrap padding-top-1" aria-label="Breadcrumbs">
<ol class="usa-breadcrumb__list">
<li class="usa-breadcrumb__list-item"> <a href="/index.html" class="usa-breadcrumb__link"><span>Home</span></a> </li>
</ol>
</nav>
</div>
<!-- End Breadcrumbs -->
<main class="padding-bottom-5" id="main">
<div class="grid-container">
<!-- ************************* MeSH Content begin ************************* -->
<div id="mesh">
<h1 style="text-align: center;">ASCII MeSH Descriptor Data Elements</h1>
<p>Descriptor records in ASCII MeSH contain the data elements listed below. The list includes all the descriptor data in ELHILL file MeSH, plus some additional information.* Note that not every record has every data element. <a href="/mesh/asc_smpd.txt">Sample record.</a></p>
<table class="usa-table">
<tbody>
<tr>
<td>AN</td>
<td>ANNOTATION</td>
</tr>
<tr>
<td>AQ</td>
<td>ALLOWABLE TOPICAL QUALIFIERS</td>
</tr>
<tr>
<td>CATSH</td>
<td>CATALOGING SUBHEADINGS LIST NAME *</td>
</tr>
<tr>
<td>CX</td>
<td>CONSIDER ALSO XREF</td>
</tr>
<tr>
<td>DA</td>
<td>DATE OF ENTRY</td>
</tr>
<tr>
<td>DC</td>
<td>DESCRIPTOR CLASS</td>
</tr>
<tr>
<td>DE</td>
<td>DESCRIPTOR ENTRY VERSION</td>
</tr>
<tr>
<td>DS</td>
<td>DESCRIPTOR SORT VERSION</td>
</tr>
<tr>
<td>DX</td>
<td>DATE MAJOR DESCRIPTOR ESTABLISHED</td>
</tr>
<tr>
<td>EC</td>
<td>ENTRY COMBINATION</td>
</tr>
<tr>
<td>PRINT ENTRY</td>
<td>ENTRY TERM, PRINT **</td>
</tr>
<tr>
<td>ENTRY</td>
<td>ENTRY TERM, NON-PRINT **</td>
</tr>
<tr>
<td>FX</td>
<td>FORWARD CROSS REFERENCE (SEE ALSO REFERENCE)</td>
</tr>
<tr>
<td>HN</td>
<td>HISTORY NOTE</td>
</tr>
<tr>
<td>MH</td>
<td>MESH HEADING</td>
</tr>
<tr>
<td>MH_TH</td>
<td>MESH HEADING THESAURUS ID [= MHTH in ELHILL MESH]</td>
</tr>
<tr>
<td>MN</td>
<td>MESH TREE NUMBER</td>
</tr>
<tr>
<td>MR</td>
<td>MAJOR REVISION DATE</td>
</tr>
<tr>
<td>MS</td>
<td>MESH SCOPE NOTE</td>
</tr>
<tr>
<td>N1</td>
<td>CAS TYPE 1 NAME</td>
</tr>
<tr>
<td>OL</td>
<td>ONLINE NOTE</td>
</tr>
<tr>
<td>PA</td>
<td>PHARMACOLOGICAL ACTION</td>
</tr>
<tr>
<td>PI</td>
<td>PREVIOUS INDEXING</td>
</tr>
<tr>
<td>PM</td>
<td>PUBLIC MESH NOTE</td>
</tr>
<tr>
<td>RECTYPE</td>
<td>RECORD TYPE [= RY in ELHILL MESH ]</td>
</tr>
<tr>
<td>RH</td>
<td>RUNNING HEAD, MESH TREE STRUCTURES</td>
</tr>
<tr>
<td>RN</td>
<td>CAS REGISTRY/EC NUMBER/UNII CODE</td>
</tr>
<tr>
<td>RR</td>
<td>RELATED REGISTRY NUMBER</td>
</tr>
<tr>
<td>ST</td>
<td>SEMANTIC TYPE *</td>
</tr>
<tr>
<td>UI</td>
<td>UNIQUE IDENTIFIER</td>
</tr>
</tbody>
</table>
<p>* = not in ELHILL MeSH</p>
<p>** ENTRY and PRINT ENTRY terms may have several subfields, with each subfield entry separated from another by a bar. A final string "map" indicates which value goes with which subfield. For example,</p>
<pre>PRINT ENTRY = Avian Sarcoma|T050|T191|NON|EQV|NLM (1994)|930624|abbcdef</pre>
<p>In the final string of characters - 'abcdeef' - each letter corresponds to a specific subfield and indicates the position of the subfield and any position repeats:</p>
<table class="usa-table">
<tbody>
<tr>
<td>a</td>
<td>the term itself</td>
</tr>
<tr>
<td>b</td>
<td>SEMANTIC TYPE*</td>
</tr>
<tr>
<td>c</td>
<td>LEXICAL TYPE*</td>
</tr>
<tr>
<td>d</td>
<td>SEMANTIC RELATION*</td>
</tr>
<tr>
<td>e</td>
<td>THESAURUS ID</td>
</tr>
<tr>
<td>f</td>
<td>DATE</td>
</tr>
<tr>
<td>s</td>
<td>SORT VERSION</td>
</tr>
<tr>
<td>v</td>
<td>ENTRY VERSION</td>
</tr>
</tbody>
</table>
<p>* = not in ELHILL MeSH</p>
</div>
<!-- ************************* MeSH Content end ************************* -->
<p class=”margin-top-5”><small>Last Reviewed: August 3, 2016</small></p>
</div>
</main>
<!-- FOOTER -->
<footer class="usa-footer__primary-section padding-top-5 padding-bottom-3 insertfooter">
<div class="grid-container">
<div class="grid-row">
<div class="desktop:grid-col-3 grid-col-6"> <a href="https://www.nlm.nih.gov/socialmedia/index.html">
<p class="text-white margin-bottom-1">Connect with NLM</p>
</a>
<ul class="social_media add-list-reset">
<li class="margin-right-05"><a href="https://www.facebook.com/nationallibraryofmedicine"><img class="bg-secondary" src="https://www.nlm.nih.gov/images/facebook.svg" alt="Facebook"></a></li>
<li class="margin-right-05"><a title="External link: please review our privacy policy." href="https://www.linkedin.com/company/national-library-of-medicine-nlm/"><img class="bg-secondary" src="//www.nlm.nih.gov/images/linkedin.svg" alt="LinkedIn"></a></li>
<li class="margin-right-05"><a title="External link: please review our privacy policy." href="https://twitter.com/NLM_NIH"><img src="https://www.nlm.nih.gov/images/twitter.svg" class="padding-1 bg-secondary" alt="Twitter"></a></li>
<li class="margin-right-05"><a title="External link: please review our privacy policy." href="https://www.youtube.com/user/NLMNIH"><img src="//www.nlm.nih.gov/images/youtube.svg" class="bg-secondary" alt="You Tube"></a></li>
<li class="margin-right-05"><a title="External link: please review our privacy policy." href="https://public.govdelivery.com/accounts/USNLMOCPL/subscriber/new?preferences=true"><img src="//www.nlm.nih.gov/images/mail.svg" class=" bg-secondary" alt="Government Delivery"></a></li>
</ul>
</div>
<div class="desktop:grid-col-3 grid-col-6">
<p class="address_footer text-white"> National Library of Medicine <br>
<a href="https://www.google.com/maps/place/8600+Rockville+Pike,+Bethesda,+MD+20894/@38.9959508,-77.101021,17z/data=!3m1!4b1!4m5!3m4!1s0x89b7c95e25765ddb:0x19156f88b27635b8!8m2!3d38.9959508!4d-77.0988323" class="text-white"> 8600 Rockville Pike <br>
Bethesda, MD 20894 </a></p>
</div>
<div class="desktop:grid-col-3 grid-col-6">
<p><a href="/web_policies.html" class="text-white"> Web Policies </a><br>
<a href="https://www.nih.gov/institutes-nih/nih-office-director/office-communications-public-liaison/freedom-information-act-office" class="text-white"> FOIA </a><br>
<a href="https://www.hhs.gov/vulnerability-disclosure-policy/index.html" class="text-white">HHS Vulnerability Disclosure</a> </p>
</div>
<div class="desktop:grid-col-3 grid-col-6">
<p><a class="supportLink text-white" href="//support.nlm.nih.gov?from="> NLM Support Center </a> <br>
<a href="/accessibility.html" class="text-white"> Accessibility </a><br>
<a href="/careers/careers.html" class="text-white"> Careers </a></p>
</div>
</div>
<div class="grid-row">
<div class="grid-col-12">
<p class="text-center text-white"> <a class="text-white" href="//www.nlm.nih.gov/">NLM</a> | <a class="text-white" href="https://www.nih.gov/">NIH</a> | <a class="text-white" href="https://www.hhs.gov/">HHS</a> | <a class="text-white" href="https://www.usa.gov/">USA.gov</a></p>
</div>
</div>
</div>
</footer>
<script src="//assets.nlm.nih.gov/uswds/js/uswds.min.js"></script>
<script src="//assets.nlm.nih.gov/jquery/jquery-latest.min.js"></script>
<script src="//assets.nlm.nih.gov/jquery/jquery-migrate-latest.min.js"></script>
<script src="/scripts/nlm_autocomplete.js"></script>
<script src="/scripts/nlm_uswds.js"></script>
</body>
</html>