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<div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Transpyloric_line&redirect=no" class="mw-redirect" title="Transpyloric line">Transpyloric line</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Anatomical plane</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:dimgray; color: white">Transpyloric plane</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Gray1220.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Gray1220.png/250px-Gray1220.png" decoding="async" width="250" height="317" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Gray1220.png/375px-Gray1220.png 1.5x, //upload.wikimedia.org/wikipedia/commons/4/4d/Gray1220.png 2x" data-file-width="434" data-file-height="550" /></a></span><div class="infobox-caption">Surface lines of the front of the thorax and abdomen. (Transpyloric is top horizontal line.)</div></td></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Gray1225.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Gray1225.png/250px-Gray1225.png" decoding="async" width="250" height="197" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Gray1225.png/375px-Gray1225.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Gray1225.png/500px-Gray1225.png 2x" data-file-width="508" data-file-height="400" /></a></span><div class="infobox-caption">Front of abdomen, showing surface markings for <a href="/wiki/Duodenum" title="Duodenum">duodenum</a>, <a href="/wiki/Pancreas" title="Pancreas">pancreas</a>, and <a href="/wiki/Kidneys" class="mw-redirect" title="Kidneys">kidneys</a>.</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Details</th></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Identifiers</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Latin" title="Latin">Latin</a></th><td class="infobox-data"><i>planum transpyloricum</i></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Terminologia_Anatomica" title="Terminologia Anatomica">TA98</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/01.2.00.007%20Entity%20TA98%20EN.htm">A01.2.00.007</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Terminologia_Anatomica" title="Terminologia Anatomica">TA2</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://ta2viewer.openanatomy.org/?id=53">53</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Foundational_Model_of_Anatomy" title="Foundational Model of Anatomy">FMA</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://bioportal.bioontology.org/ontologies/FMA/?p=classes&conceptid=http%3A%2F%2Fpurl.org%2Fsig%2Font%2Ffma%2Ffma14608">14608</a></td></tr><tr><td colspan="2" class="infobox-below"><a href="/wiki/Anatomical_terminology" title="Anatomical terminology">Anatomical terminology</a><div style="text-align: right;"><small class="noprint">[<a href="https://www.wikidata.org/wiki/Q7835343" class="extiw" title="d:Q7835343">edit on Wikidata</a>]</small></div></td></tr></tbody></table> <p>The <b>transpyloric plane</b>, also known as <b>Addison's plane</b>, is an imaginary <a href="/wiki/Transverse_plane" title="Transverse plane">horizontal plane</a>, located halfway between the suprasternal notch of the manubrium and the upper border of the symphysis pubis at the level of the first lumbar vertebrae, L1. It lies roughly a hand's breadth beneath the <a href="/wiki/Xiphisternum" class="mw-redirect" title="Xiphisternum">xiphisternum</a><sup id="cite_ref-Singh2014_1-0" class="reference"><a href="#cite_note-Singh2014-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> or midway between the xiphisternum and the <a href="/wiki/Navel" title="Navel">umbilicus</a>.<sup id="cite_ref-Lasts2011_2-0" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The plane in most cases cuts through the <a href="/wiki/Pylorus" title="Pylorus">pylorus</a> of the stomach, the tips of the ninth <a href="/wiki/Costal_cartilages" class="mw-redirect" title="Costal cartilages">costal cartilages</a> and the lower border of the <a href="/wiki/First_lumbar_vertebra" class="mw-redirect" title="First lumbar vertebra">first lumbar vertebra</a>.<sup id="cite_ref-Lasts2011_2-1" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Structures_crossed">Structures crossed</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=1" title="Edit section: Structures crossed"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The transpyloric plane is clinically notable because it passes through several important abdominal structures. It also divides the <a href="/wiki/Supracolic_compartment" class="mw-redirect" title="Supracolic compartment">supracolic</a> and <a href="/wiki/Infracolic_compartment" class="mw-redirect" title="Infracolic compartment">infracolic compartments</a>, with the liver, spleen and gastric fundus above it and the small intestine and colon below it.<sup id="cite_ref-Lasts2011_2-2" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Lumbar_vertebra_and_spinal_cord">Lumbar vertebra and spinal cord</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=2" title="Edit section: Lumbar vertebra and spinal cord"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The lower border of first <a href="/wiki/Lumbar_vertebrae" title="Lumbar vertebrae">lumbar vertebra</a> lies at the level of the transpyloric plane.<sup id="cite_ref-:snell_3-0" class="reference"><a href="#cite_note-:snell-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Despite the <a href="/wiki/Conus_medullaris" title="Conus medullaris">conus medullaris</a>, the end of the spinal cord, being understood to typically terminate at the level of the transpyloric plane, there is significant variability. Up to 40% of people have spinal cords ending below the transpyloric plane.<sup id="cite_ref-Lasts2011_2-3" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MancallBrock2011_4-0" class="reference"><a href="#cite_note-MancallBrock2011-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Stomach">Stomach</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=3" title="Edit section: Stomach"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The transpyloric plane passes through the pylorus of the stomach, despite it being suspended by the <a href="/wiki/Lesser_omentum" title="Lesser omentum">lesser</a> and <a href="/wiki/Greater_omentum" title="Greater omentum">greater omentum</a> and being relatively mobile.<sup id="cite_ref-Lasts2011_2-4" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:StudentGrays_5-0" class="reference"><a href="#cite_note-:StudentGrays-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Duodenum">Duodenum</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=4" title="Edit section: Duodenum"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The horizontal part of the <a href="/wiki/Duodenum" title="Duodenum">duodenum</a> slopes upwards to the left of the vertical midline, following which the vertical ascending part of the duodenum reaches the transpyloric plane.<sup id="cite_ref-Grays_6-0" class="reference"><a href="#cite_note-Grays-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> It ends in the <a href="/wiki/Duodenojejunal_junction" class="mw-redirect" title="Duodenojejunal junction">duodenojejunal junction</a>, which lies approximately 2.5 cm to the left of the midline and just below the transpyloric plane.<sup id="cite_ref-Singh2014_1-1" class="reference"><a href="#cite_note-Singh2014-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Pancreas">Pancreas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=5" title="Edit section: Pancreas"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Neck_of_pancreas" class="mw-redirect" title="Neck of pancreas">neck of pancreas</a> lies on the transpyloric plane, whilst the body and tail are to the left and above it.<sup id="cite_ref-:snell_3-1" class="reference"><a href="#cite_note-:snell-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Gallbladder">Gallbladder</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=6" title="Edit section: Gallbladder"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Fundus_of_the_gallbladder" class="mw-redirect" title="Fundus of the gallbladder">fundus of the gallbladder</a> projects from the liver's inferior border at the intersection of the transpyloric plane and the right lateral midline.<sup id="cite_ref-KaraliotasBroelsch2008_7-0" class="reference"><a href="#cite_note-KaraliotasBroelsch2008-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Kidneys">Kidneys</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=7" title="Edit section: Kidneys"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Despite the right kidney lying 1 cm lower than the left (right just below and the left just above the plane),<sup id="cite_ref-Lasts2011_2-5" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> to be practical, the surface markings are taken the same way. The <a href="/wiki/Hilum_of_the_kidney" class="mw-redirect" title="Hilum of the kidney">hilum of the kidney</a> on the left and right is taken as 5 cm from the vertical midline and is on the transpyloric plane.<sup id="cite_ref-Grays_6-1" class="reference"><a href="#cite_note-Grays-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Vasculature">Vasculature</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=8" title="Edit section: Vasculature"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Superior_mesenteric_artery" title="Superior mesenteric artery">superior mesenteric artery</a> arises from the <a href="/wiki/Aorta" title="Aorta">aorta</a> at the level of the transpyloric plane and emerges between the head and neck of the pancreas.<sup id="cite_ref-Srebnik2002_8-0" class="reference"><a href="#cite_note-Srebnik2002-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The superior mesenteric vein is joined by the splenic vein to form the <a href="/wiki/Hepatic_portal_vein" class="mw-redirect" title="Hepatic portal vein">portal vein</a> at the level of the transpyloric plane.<sup id="cite_ref-Lasts2011_2-6" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Srebnik2002_8-1" class="reference"><a href="#cite_note-Srebnik2002-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Spleen">Spleen</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=9" title="Edit section: Spleen"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The lower border of the spleen lies near the transpyloric plane.<sup id="cite_ref-Srebnik2002_8-2" class="reference"><a href="#cite_note-Srebnik2002-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Other_structures">Other structures</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=10" title="Edit section: Other structures"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>the left and right <a href="/wiki/Colic_flexure" class="mw-redirect" title="Colic flexure">colic flexure</a><sup id="cite_ref-Lasts2011_2-7" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li>the root of the <a href="/wiki/Transverse_mesocolon" class="mw-redirect" title="Transverse mesocolon">transverse mesocolon</a>.<sup id="cite_ref-Lasts2011_2-8" class="reference"><a href="#cite_note-Lasts2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Cisterna_chyli" title="Cisterna chyli">cisterna chyli</a> (which drains into the <a href="/wiki/Thoracic_duct" title="Thoracic duct">thoracic duct</a>).<sup id="cite_ref-Srebnik2002_8-3" class="reference"><a href="#cite_note-Srebnik2002-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=11" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The transpyloric plane relates to the three-dimensional mapping of the abdomen founded on more than 10,000 measurements completed on 40 bodies, that surgeon <a href="/wiki/Christopher_Addison,_1st_Viscount_Addison" title="Christopher Addison, 1st Viscount Addison">Viscount Addison</a> took at the turn of the 20th century.<sup id="cite_ref-:livesonline_9-0" class="reference"><a href="#cite_note-:livesonline-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>Addison reported his findings in a paper titled, "On the anatomical topography of the abdominal viscera in man, especially the gastro-intestinal canal" in which he established a baseline for the anatomy of the abdomen based on the arrangement of the map of the Earth. Using the suprasternal notch as the North Pole of the trunk, and the upper border of the pubic symphysis as the South Pole, he drew a vertical line joining these two points as his <a href="/wiki/Prime_meridian" title="Prime meridian">meridian</a>. At the meridian's midpoint, he then drew a perpendicular line corresponding to the <a href="/wiki/Equator" title="Equator">Equator</a>. As this transverse plane crossed the pylorus, he called it the transpyloric plane.<sup id="cite_ref-:Keith_10-0" class="reference"><a href="#cite_note-:Keith-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Images">Images</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=12" title="Edit section: Images"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Surface_projections_of_the_organs_of_the_trunk.png" class="mw-file-description" title="Surface projections of the organs of the trunk, with transpyloric plane labeled at L1"><img alt="Surface projections of the organs of the trunk, with transpyloric plane labeled at L1" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Surface_projections_of_the_organs_of_the_trunk.png/75px-Surface_projections_of_the_organs_of_the_trunk.png" decoding="async" width="75" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Surface_projections_of_the_organs_of_the_trunk.png/112px-Surface_projections_of_the_organs_of_the_trunk.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/Surface_projections_of_the_organs_of_the_trunk.png/150px-Surface_projections_of_the_organs_of_the_trunk.png 2x" data-file-width="1583" data-file-height="2533" /></a></span></div> <div class="gallerytext">Surface projections of the organs of the <a href="/wiki/Trunk_(anatomy)" class="mw-redirect" title="Trunk (anatomy)">trunk</a>, with transpyloric plane labeled at <a href="/wiki/Lumbar_vertebra_1" class="mw-redirect" title="Lumbar vertebra 1">L1</a></div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Gray1034.png" class="mw-file-description" title="Front view of the thoracic and abdominal viscera. a. Median plane. b. Lateral planes. c. Trans tubercular plane. d. Subcostal plane. e. Transpyloric plane."><img alt="Front view of the thoracic and abdominal viscera. a. Median plane. b. Lateral planes. c. Trans tubercular plane. d. Subcostal plane. e. Transpyloric plane." src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Gray1034.png/69px-Gray1034.png" decoding="async" width="69" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Gray1034.png/104px-Gray1034.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Gray1034.png/138px-Gray1034.png 2x" data-file-width="461" data-file-height="800" /></a></span></div> <div class="gallerytext">Front view of the thoracic and abdominal viscera.<br />a. Median plane.<br />b. Lateral planes.<br />c. Trans tubercular plane.<br />d. Subcostal plane.<br />e. Transpyloric plane.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Gray1227.png" class="mw-file-description" title="Front of abdomen, showing surface markings for arteries and inguinal canal."><img alt="Front of abdomen, showing surface markings for arteries and inguinal canal." src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gray1227.png/120px-Gray1227.png" decoding="async" width="120" height="92" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gray1227.png/180px-Gray1227.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gray1227.png/240px-Gray1227.png 2x" data-file-width="649" data-file-height="500" /></a></span></div> <div class="gallerytext">Front of abdomen, showing surface markings for arteries and inguinal canal.</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=13" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Transtubercular_plane" class="mw-redirect" title="Transtubercular plane">Transtubercular plane</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=14" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist 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class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px 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.cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFSingh,_Vishram.2014" class="citation book cs1">Singh, Vishram. (2014). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=wixEAwAAQBAJ&pg=PA26"><i>Textbook of Anatomy Abdomen and Lower Limb Volume 2</i></a> (2nd ed.). Elsevier. p. 26. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-81-312-3626-0" title="Special:BookSources/978-81-312-3626-0"><bdi>978-81-312-3626-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Textbook+of+Anatomy+Abdomen+and+Lower+Limb+Volume+2&rft.pages=26&rft.edition=2nd&rft.pub=Elsevier&rft.date=2014&rft.isbn=978-81-312-3626-0&rft.au=Singh%2C+Vishram.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DwixEAwAAQBAJ%26pg%3DPA26&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-Lasts2011-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Lasts2011_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-Lasts2011_2-8"><sup><i><b>i</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSinnatamby2011" class="citation book cs1">Sinnatamby, Chummy S. (2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=4ihGmxzamekC">"5"</a>. <i>Last's Anatomy e-Book: Regional and Applied</i> (12th ed.). Churchill Livingstone Elsevier. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7020-4839-5" title="Special:BookSources/978-0-7020-4839-5"><bdi>978-0-7020-4839-5</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">16 March</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=5&rft.btitle=Last%27s+Anatomy+e-Book%3A+Regional+and+Applied&rft.edition=12th&rft.pub=Churchill+Livingstone+Elsevier&rft.date=2011&rft.isbn=978-0-7020-4839-5&rft.aulast=Sinnatamby&rft.aufirst=Chummy+S.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D4ihGmxzamekC&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-:snell-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-:snell_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:snell_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSnell2012" class="citation book cs1">Snell, Richard S. (2012). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=vb4AcUL4CE0C&q=pancreatic+neck+transpyloric+plane%2F&pg=PA153"><i><span></span></i>Clinical Anatomy by Regions<i><span></span></i></a> (9th ed.). Lippincott Williams & Wilkins, Wolters Kluwer. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-60913-446-4" title="Special:BookSources/978-1-60913-446-4"><bdi>978-1-60913-446-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Clinical+Anatomy+by+Regions&rft.edition=9th&rft.pub=Lippincott+Williams+%26+Wilkins%2C+Wolters+Kluwer&rft.date=2012&rft.isbn=978-1-60913-446-4&rft.aulast=Snell&rft.aufirst=Richard+S.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dvb4AcUL4CE0C%26q%3Dpancreatic%2Bneck%2Btranspyloric%2Bplane%252F%26pg%3DPA153&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-MancallBrock2011-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-MancallBrock2011_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFElliott_L._MancallDavid_G._Brock2011" class="citation book cs1">Elliott L. Mancall; David G. Brock (2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=R6ARC5tdhtYC&pg=PA111"><i>Gray's Clinical Neuroanatomy E-Book</i></a>. Elsevier Health Sciences. p. 111. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4377-3580-2" title="Special:BookSources/978-1-4377-3580-2"><bdi>978-1-4377-3580-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Gray%27s+Clinical+Neuroanatomy+E-Book&rft.pages=111&rft.pub=Elsevier+Health+Sciences&rft.date=2011&rft.isbn=978-1-4377-3580-2&rft.au=Elliott+L.+Mancall&rft.au=David+G.+Brock&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DR6ARC5tdhtYC%26pg%3DPA111&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-:StudentGrays-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-:StudentGrays_5-0">^</a></b></span> <span class="reference-text">Drake, Richard L.; Wayne, Vogl A.; Mitchell, Adam W.M. (2015). <i><a rel="nofollow" class="external text" href="https://archive.org/stream/GraysAnatomyForStudents/Gray's%20Anatomy%20for%20Students#page/n337/mode/2up/">Gray's Anatomy for Students</a></i> (3rd ed.) Philadelphia: Churchill Livingstone Elsevier. p. 311.</span> </li> <li id="cite_note-Grays-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-Grays_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Grays_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGrayLewis1918" class="citation book cs1">Gray, Henry; Lewis, Warren Harmon (1918). <a rel="nofollow" class="external text" href="https://archive.org/details/anatomyofhumanbo1918gray"><i>Anatomy of the Human Body</i></a> (20th ed.). Philadelphia: Lea & Febiger. pp. 1320–1321.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Anatomy+of+the+Human+Body&rft.place=Philadelphia&rft.pages=1320-1321&rft.edition=20th&rft.pub=Lea+%26+Febiger&rft.date=1918&rft.aulast=Gray&rft.aufirst=Henry&rft.au=Lewis%2C+Warren+Harmon&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fanatomyofhumanbo1918gray&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-KaraliotasBroelsch2008-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-KaraliotasBroelsch2008_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFConstantine_C._KaraliotasChristoph_E._BroelschNagy_A._Habib_(Eds.)2008" class="citation book cs1">Constantine C. Karaliotas; Christoph E. Broelsch; Nagy A. Habib (Eds.) (2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=lkQIEw0NjiIC&pg=PA14"><i>Liver and Biliary Tract Surgery: Embryological Anatomy to 3D-Imaging and Transplant Innovations</i></a>. Springer Wien New York. pp. 14–15. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-211-49277-2" title="Special:BookSources/978-3-211-49277-2"><bdi>978-3-211-49277-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Liver+and+Biliary+Tract+Surgery%3A+Embryological+Anatomy+to+3D-Imaging+and+Transplant+Innovations&rft.pages=14-15&rft.pub=Springer+Wien+New+York&rft.date=2008&rft.isbn=978-3-211-49277-2&rft.au=Constantine+C.+Karaliotas&rft.au=Christoph+E.+Broelsch&rft.au=Nagy+A.+Habib+%28Eds.%29&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DlkQIEw0NjiIC%26pg%3DPA14&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-Srebnik2002-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-Srebnik2002_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Srebnik2002_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Srebnik2002_8-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Srebnik2002_8-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHerbert_H2002" class="citation book cs1">Herbert H, Srebnik (2002). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=O0tOgwXu_9wC&pg=PA174"><i>Concepts in Anatomy</i></a>. USA: Kluwer Academic Publishers. pp. 174–175. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7923-7539-5" title="Special:BookSources/978-0-7923-7539-5"><bdi>978-0-7923-7539-5</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">16 March</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Concepts+in+Anatomy&rft.place=USA&rft.pages=174-175&rft.pub=Kluwer+Academic+Publishers&rft.date=2002&rft.isbn=978-0-7923-7539-5&rft.aulast=Herbert+H&rft.aufirst=Srebnik&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DO0tOgwXu_9wC%26pg%3DPA174&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span></span> </li> <li id="cite_note-:livesonline-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-:livesonline_9-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://livesonline.rcseng.ac.uk/biogs/E003713b.htm">Addison, Sir Christopher, Viscount Addison of Stallingborough (1869 - 1951).</a> Royal College of Surgeons: Plarr's Lives of the Fellows Online. Retrieved 16 March 2018.</span> </li> <li id="cite_note-:Keith-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-:Keith_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKeith1952" class="citation journal cs1">Keith, Arthur (1 March 1952). "Lord Addison as Anatomist". <i><a href="/wiki/British_Journal_of_Surgery" title="British Journal of Surgery">British Journal of Surgery</a></i>. <b>39</b> (157): 385–387. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fbjs.18003915702">10.1002/bjs.18003915702</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1365-2168">1365-2168</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/14925320">14925320</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=British+Journal+of+Surgery&rft.atitle=Lord+Addison+as+Anatomist&rft.volume=39&rft.issue=157&rft.pages=385-387&rft.date=1952-03-01&rft.issn=1365-2168&rft_id=info%3Apmid%2F14925320&rft_id=info%3Adoi%2F10.1002%2Fbjs.18003915702&rft.aulast=Keith&rft.aufirst=Arthur&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATranspyloric+plane" class="Z3988"></span><span style="font-size:0.95em; font-size:95%; color: var( --color-subtle, #555 )">(subscription required)</span></span> </li> </ol></div></div> <p><span class="noviewer" typeof="mw:File"><span><img alt="Public domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> <i>This article incorporates text in the <a href="/wiki/Public_domain" title="Public domain">public domain</a> from <a rel="nofollow" class="external text" href="https://archive.org/stream/anatomyofhumanbo1918gray#page/1315/mode/2up">page 1315</a> of the 20th edition of</i> <a href="/wiki/Gray%27s_Anatomy" title="Gray's Anatomy">Gray's Anatomy</a> <i>(1918)</i> </p> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Transpyloric_plane&action=edit&section=15" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://medical-dictionary.thefreedictionary.com/_/viewer.aspx?path=dorland&name=plane(2).jpg">Planes of the trunk</a>.</li></ul> <div class="navbox-styles"><style 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abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Anatomical_planes_and_lines" title="Template:Anatomical planes and lines"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Anatomical_planes_and_lines" title="Template talk:Anatomical planes and lines"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Anatomical_planes_and_lines" title="Special:EditPage/Template:Anatomical planes and lines"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Anatomical_planes_and_lines" style="font-size:114%;margin:0 4em"><a href="/wiki/Anatomical_plane" title="Anatomical plane">Anatomical planes</a> and lines</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sagittal_plane" title="Sagittal plane">Sagittal plane</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Median_plane" title="Median plane">Median plane</a></li> <li><i>front</i> (<a href="/wiki/Anterior_median_line" title="Anterior median line">Anterior median line</a>/<a href="/wiki/Midsternal_line" title="Midsternal line">Midsternal line</a>, <a href="/wiki/Parasternal_line" title="Parasternal line">Parasternal line</a>, <a href="/wiki/Midclavicular_line" class="mw-redirect" title="Midclavicular line">Midclavicular line</a>, <a href="/wiki/Anterior_axillary_line" class="mw-redirect" title="Anterior axillary line">Anterior axillary line</a>, <a href="/wiki/Midaxillary_line" class="mw-redirect" title="Midaxillary line">Midaxillary line</a>)</li> <li><i>back</i> (<a href="/wiki/Posterior_median_line" title="Posterior median line">Posterior median line</a>, <a href="/wiki/Scapular_line" title="Scapular line">Scapular line</a>, <a href="/wiki/Posterior_axillary_line" class="mw-redirect" title="Posterior axillary line">Posterior axillary line</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Transverse_plane" title="Transverse plane">Transverse plane</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Thoracic_plane" class="mw-redirect" title="Thoracic plane">Thoracic plane</a></li> <li><a class="mw-selflink selflink">Transpyloric plane</a></li> <li><a href="/wiki/Subcostal_plane" title="Subcostal plane">Subcostal plane</a></li> <li><a href="/wiki/Transumbilical_plane" title="Transumbilical plane">Transumbilical plane</a></li> <li><a href="/wiki/Supracristal_plane" title="Supracristal plane">Supracristal plane</a></li> <li><a href="/wiki/Intertubercular_plane" title="Intertubercular plane">Intertubercular plane</a></li> <li><a href="/wiki/Interspinous_plane" title="Interspinous plane">Interspinous plane</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Coronal_plane" title="Coronal plane">Coronal/frontal plane</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sternal_plane" class="mw-redirect" title="Sternal plane">Sternal plane</a></li></ul> </div></td></tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 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