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	<id>http://icrpaedia.org/index.php?action=history&amp;feed=atom&amp;title=Extrathoracic_airways</id>
	<title>Extrathoracic airways - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://icrpaedia.org/index.php?action=history&amp;feed=atom&amp;title=Extrathoracic_airways"/>
	<link rel="alternate" type="text/html" href="http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;action=history"/>
	<updated>2026-05-02T21:23:06Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.32.0</generator>
	<entry>
		<id>http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;diff=3134&amp;oldid=prev</id>
		<title>Chris Clement at 02:18, 18 August 2021</title>
		<link rel="alternate" type="text/html" href="http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;diff=3134&amp;oldid=prev"/>
		<updated>2021-08-18T02:18:33Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 02:18, 18 August 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Part of the respiratory tract&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/del&gt;consisting of the anterior &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;nose &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the ET1 region&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;the posterior nasal &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;passages&lt;/del&gt;, pharynx and larynx &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ET2 &lt;/del&gt;region&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;). The oral part &lt;/del&gt;of the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pharynx was part of ET2 but it is excluded from ET2 and included &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the HATM (Human Alimentary Tract Model)&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Part of the respiratory tract consisting of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(1) &lt;/ins&gt;the anterior &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;nasal passage, and &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2&lt;/ins&gt;) the posterior nasal &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;passage&lt;/ins&gt;, pharynx and larynx&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, designated as &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ET&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt; region and ET&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; &lt;/ins&gt;region&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, respectively, &lt;/ins&gt;of the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[Human respiratory tract model]] as defined &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[ICRP Publication 130]]&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''ICRP Glossary &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;entry -  June 2019&lt;/del&gt;''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'Return to [[&lt;/ins&gt;ICRP Glossary&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;|Glossary]]'&lt;/ins&gt;''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Previous glossary entries ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''Return to &lt;/del&gt;[[ICRP &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Glossary|Glossary&lt;/del&gt;]]&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;=== from &lt;/ins&gt;[[ICRP &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Publication 130&lt;/ins&gt;]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, 2015 ===&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Part of the respiratory tract consisting of the anterior nasal passage (the ET&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt; region) and the posterior nasal passage pharynx and larynx (the ET&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; region) as regions of the [[Human respiratory tract model]].&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Chris Clement</name></author>
		
	</entry>
	<entry>
		<id>http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;diff=2136&amp;oldid=prev</id>
		<title>Karen Clement at 20:03, 12 September 2019</title>
		<link rel="alternate" type="text/html" href="http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;diff=2136&amp;oldid=prev"/>
		<updated>2019-09-12T20:03:14Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 20:03, 12 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Part of the respiratory tract, consisting of the anterior nose (the ET1 region) and the posterior nasal passages, pharynx and larynx (the ET2 region). The oral part of the pharynx was part of ET2 but it is excluded from ET2 and included in the HATM (Human Alimentary Tract Model).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Part of the respiratory tract, consisting of the anterior nose (the ET1 region) and the posterior nasal passages, pharynx and larynx (the ET2 region). The oral part of the pharynx was part of ET2 but it is excluded from ET2 and included in the HATM (Human Alimentary Tract Model).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;''ICRP Glossary entry -  June 2019''&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''[[ICRP Glossary]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;entry -  June 2019&lt;/del&gt;''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'Return to &lt;/ins&gt;[[ICRP &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Glossary|&lt;/ins&gt;Glossary]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/ins&gt;''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Karen Clement</name></author>
		
	</entry>
	<entry>
		<id>http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;diff=1532&amp;oldid=prev</id>
		<title>Intern: Created page with &quot;Part of the respiratory tract, consisting of the anterior nose (the ET1 region) and the posterior nasal passages, pharynx and larynx (the ET2 region). The oral part of the pha...&quot;</title>
		<link rel="alternate" type="text/html" href="http://icrpaedia.org/index.php?title=Extrathoracic_airways&amp;diff=1532&amp;oldid=prev"/>
		<updated>2019-06-11T17:25:48Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;Part of the respiratory tract, consisting of the anterior nose (the ET1 region) and the posterior nasal passages, pharynx and larynx (the ET2 region). The oral part of the pha...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Part of the respiratory tract, consisting of the anterior nose (the ET1 region) and the posterior nasal passages, pharynx and larynx (the ET2 region). The oral part of the pharynx was part of ET2 but it is excluded from ET2 and included in the HATM (Human Alimentary Tract Model).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
''[[ICRP Glossary]] entry -  June 2019''&lt;/div&gt;</summary>
		<author><name>Intern</name></author>
		
	</entry>
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