Definition List: Term

A word, phrase, graphic, chemical structure, equation, or other “noun” that is:


id Identifier
rid Reference to an Identifier

Related Elements

A <def-list> may have a <title> naming the entire list, followed by optional headings for terms and their definitions. <term-head> contains the heading over the first (term) column, and <def-head> contains the heading for the second (definition) column; neither serves as a container element for terms or definitions. Individual <term>s and their <def>s are paired in <def-item>s.

Content Model

<!ELEMENT  term         (#PCDATA %term-elements;)*                   >

Expanded Content Model

(#PCDATA | email | ext-link | multi-link | uri | inline-supplementary-material | related-article | related-object | bold | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | alternatives | inline-graphic | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | disp-formula | disp-formula-group | array | graphic | media | preformat)*


Any combination of:

This element may be contained in:

<def-item>, <multi-link>

Example 1

In a definition list:

<glossary id="bid.1237">
<term id="bid.1238">3-D or 3D</term>
<term id="bid.1722">Accession number</term>
<p>An Accession number is a unique identifier given 
to a sequence when it is submitted to one of the DNA 
repositories (GenBank, EMBL, DDBJ). The initial 
deposition of a sequence record is referred to as 
version 1. If the sequence is updated, the version 
number is incremented, but the Accession number will 
remain constant.</p>

Example 2

In a multi-link:

<p>The <multi-link><term>HNF4A gene</term><ext-link ext-link-type="url" 
<ext-link ext-link-type="url" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/
AND%20%28HNF4A%29">PubMed Central</ext-link>
<ext-link ext-link-type="url" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/
<ext-link ext-link-type="url" xlink:href="http://www.ncbi.nlm.nih.gov:80/entrez/
dispomim.cgi?id=600281">OMIM</ext-link> <ext-link ext-link-type="url" 
Gene</ext-link></multi-link> encodes a transcription factor that is 
found in the liver and pancreas. HNF4A is found in a region of 
chromosome 20 that is linked with type 2 diabetes, and mutations 
of this gene cause a rare form of autosomal dominant diabetes