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class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Atrial_branches_of_coronary_arteries" title="Special:EditPage/Atrial branches of coronary arteries">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Atrial+branches+of+coronary+arteries%22">"Atrial branches of coronary arteries"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Atrial+branches+of+coronary+arteries%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Atrial+branches+of+coronary+arteries%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Atrial+branches+of+coronary+arteries%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Atrial+branches+of+coronary+arteries%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Atrial+branches+of+coronary+arteries%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">April 2015</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Blood vessels</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:pink">Atrial branches of coronary arteries</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Gray492.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Gray492.png/250px-Gray492.png" decoding="async" width="250" height="212" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Gray492.png/375px-Gray492.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/46/Gray492.png/500px-Gray492.png 2x" data-file-width="600" data-file-height="508" /></a></span><div class="infobox-caption">Sternocostal surface of heart.</div></td></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Cardiac_vessels.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Cardiac_vessels.png/250px-Cardiac_vessels.png" decoding="async" width="250" height="375" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Cardiac_vessels.png/375px-Cardiac_vessels.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/46/Cardiac_vessels.png/500px-Cardiac_vessels.png 2x" data-file-width="960" data-file-height="1440" /></a></span><div class="infobox-caption"><b>ARTERIES:</b><br />RCA = <a href="/wiki/Right_coronary_artery" title="Right coronary artery">right coronary</a><br />AB = atrial branches<br />SANB = <a href="/wiki/Sinuatrial_nodal_artery" class="mw-redirect" title="Sinuatrial nodal artery">sinuatrial nodal</a><br />RMA = <a href="/wiki/Right_marginal_branch_of_right_coronary_artery" title="Right marginal branch of right coronary artery">right marginal</a><br />LCA = <a href="/wiki/Left_coronary_artery" title="Left coronary artery">left coronary</a><br />CB = <a href="/wiki/Circumflex_branch_of_left_coronary_artery" title="Circumflex branch of left coronary artery">circumflex branch</a><br />LAD/AIB = <a href="/wiki/Anterior_interventricular_branch_of_left_coronary_artery" class="mw-redirect" title="Anterior interventricular branch of left coronary artery">anterior interventricular</a><br />LMA = <a href="/wiki/Left_marginal_artery" title="Left marginal artery">left marginal</a><br />PIA/PDA = <a href="/wiki/Posterior_interventricular_artery" class="mw-redirect" title="Posterior interventricular artery">posterior descending</a><br />MARG = <a href="/wiki/Left_marginal_artery" title="Left marginal artery">left marginal</a><br />AVN = <a href="/wiki/Atrioventricular_nodal_branch" title="Atrioventricular nodal branch">atrioventricular nodal</a><br /><br /><b>VEINS:</b><br />SCV = <a href="/wiki/Small_cardiac_vein" title="Small cardiac vein">small cardiac</a><br />ACV = <a href="/wiki/Anterior_cardiac_veins" title="Anterior cardiac veins">anterior cardiac</a><br />AIV/GCV = <a href="/wiki/Great_cardiac_vein" title="Great cardiac vein">great cardiac</a><br />MCV = <a href="/wiki/Middle_cardiac_vein" title="Middle cardiac vein">middle cardiac</a><br />CS = <a href="/wiki/Coronary_sinus" title="Coronary sinus">coronary sinus</a></div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Details</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em">Source</th><td class="infobox-data"><a href="/wiki/Right_coronary_artery" title="Right coronary artery">right coronary artery</a></td></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>rami atriales arteriae coronariae dextrae</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/12.2.03.105%20Entity%20TA98%20EN.htm">A12.2.03.105</a><br /> <a rel="nofollow" class="external text" href="https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/12.2.03.214%20Entity%20TA98%20EN.htm">A12.2.03.214</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=4134">4134</a>, <a rel="nofollow" class="external text" href="https://ta2viewer.openanatomy.org/?id=4149">4149</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%2Ffma71668">71668</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/Q4817542" class="extiw" title="d:Q4817542">edit on Wikidata</a>]</small></div></td></tr></tbody></table> <p>The <b>atrial branches of right coronary artery</b> derive from the <a href="/wiki/Right_coronary_artery" title="Right coronary artery">right coronary artery</a> and provide part of the blood supply to the <a href="/wiki/Right_atrium" class="mw-redirect" title="Right atrium">right atrium</a> and <a href="/wiki/Left_atrium" class="mw-redirect" title="Left atrium">left atrium</a>. </p><p>Although named for the <a href="/wiki/Right_coronary_artery" title="Right coronary artery">right coronary artery</a> in <a href="/wiki/Terminologia_anatomica" class="mw-redirect" title="Terminologia anatomica">Terminologia anatomica</a>, a portion of the blood supply to the <a href="/wiki/Atrium_(heart)" title="Atrium (heart)">atria</a> derives from the <a href="/wiki/Circumflex_branch_of_left_coronary_artery" title="Circumflex branch of left coronary artery">Circumflex branch of left coronary artery</a>. </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=Atrial_branches_of_coronary_arteries&action=edit&section=1" 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="https://web.archive.org/web/20061205093913/http://mywebpages.comcast.net/wnor/heartantmajorvessels.jpg">Image</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:Arteries_of_thorax" title="Template:Arteries of thorax"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Arteries_of_thorax" title="Template talk:Arteries of thorax"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Arteries_of_thorax" title="Special:EditPage/Template:Arteries of thorax"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Arteries_of_the_torso_and_chest" style="font-size:114%;margin:0 4em"><a href="/wiki/Artery" title="Artery">Arteries</a> of the <a href="/wiki/Torso" title="Torso">torso</a> and <a href="/wiki/Thorax" title="Thorax">chest</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lungs</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/Pulmonary_artery" title="Pulmonary artery">Pulmonary artery</a> <ul><li><a href="/wiki/Right_pulmonary_artery" class="mw-redirect" title="Right pulmonary artery">Right</a></li> <li><a href="/wiki/Left_pulmonary_artery" class="mw-redirect" title="Left pulmonary artery">Left</a> (<a href="/wiki/Ligamentum_arteriosum" title="Ligamentum arteriosum">Ligamentum arteriosum</a>)</li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Heart</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/Coronary_circulation" title="Coronary circulation">Coronary circulation</a></li> <li><i><a href="/wiki/Right_coronary_artery" title="Right coronary artery">Right coronary</a>:</i> <ul><li><a href="/wiki/Sinoatrial_nodal_artery" title="Sinoatrial nodal artery">SA nodal</a></li> <li><a href="/wiki/Atrioventricular_nodal_branch" title="Atrioventricular nodal branch">AV nodal</a></li> <li><a class="mw-selflink selflink">Atrial</a></li> <li><a href="/wiki/Right_marginal_branch_of_right_coronary_artery" title="Right marginal branch of right coronary artery">Right marginal</a></li> <li><a href="/wiki/Posterior_descending_artery" title="Posterior descending artery">Posterior descending</a></li></ul></li></ul> <ul><li><i><a href="/wiki/Left_coronary_artery" title="Left coronary artery">Left coronary</a>:</i> <ul><li><a href="/wiki/Left_anterior_descending_artery" title="Left anterior descending artery">Left anterior descending</a></li> <li><a href="/wiki/Circumflex_branch_of_left_coronary_artery" title="Circumflex branch of left coronary artery">Left circumflex</a> (<a href="/wiki/Left_marginal_artery" title="Left marginal artery">Left marginal</a>)</li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Aorta" title="Aorta">Aorta</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Sections" scope="row" class="navbox-group" style="width:1%">Sections</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ascending_aorta" title="Ascending aorta">Ascending aorta</a></li> <li><a href="/wiki/Aortic_arch" title="Aortic arch">Aortic arch</a></li> <li><a href="/wiki/Descending_aorta" title="Descending aorta">Descending aorta</a></li> <li><a href="/wiki/Thoracic_aorta" title="Thoracic aorta">Thoracic aorta</a></li> <li><a href="/wiki/Abdominal_aorta" title="Abdominal aorta">Abdominal aorta</a></li> <li><a href="/wiki/Aortic_body" title="Aortic body">Aortic body</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Aortic_arch" title="Aortic arch">Aortic arch</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Brachiocephalic_artery" title="Brachiocephalic artery">Brachiocephalic</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Thyroid_ima_artery" title="Thyroid ima artery">Thyreoidea ima</a></li> <li><a href="/wiki/Subclavian_artery" title="Subclavian artery">Right subclavian</a></li> <li><a href="/wiki/Common_carotid_artery" title="Common carotid artery">Right common carotid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Common_carotid_artery" title="Common carotid artery">Left<br />common carotid</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/External_carotid_artery" title="External carotid artery">External carotid</a></li> <li><a href="/wiki/Internal_carotid_artery" title="Internal carotid artery">Internal carotid</a></li></ul> <ul><li><a href="/wiki/Carotid_body" title="Carotid body">Carotid body</a></li> <li><a href="/wiki/Carotid_sinus" title="Carotid sinus">Carotid sinus</a></li> <li><a href="/wiki/Common_carotid_artery" title="Common carotid artery">Carotid bifurcation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Subclavian_artery" title="Subclavian artery">Left<br />subclavian</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Internal_thoracic_artery" title="Internal thoracic artery">Internal thoracic</a>:</i> <a href="/wiki/Anterior_intercostal_branches_of_internal_thoracic_artery" class="mw-redirect" title="Anterior intercostal branches of internal thoracic artery">Anterior intercostal</a></li> <li><a href="/wiki/Thymic_branches_of_internal_thoracic_artery" title="Thymic branches of internal thoracic artery">Thymic</a></li> <li><a href="/wiki/Pericardiacophrenic_artery" title="Pericardiacophrenic artery">Pericardiacophrenic</a></li> <li><a href="/wiki/Perforating_branches_of_internal_thoracic_artery" title="Perforating branches of internal thoracic artery">Perforating branches</a></li> <li><i>terminal</i> (<a href="/wiki/Musculophrenic_artery" class="mw-redirect" title="Musculophrenic artery">Musculophrenic</a>, <a href="/wiki/Superior_epigastric_artery" title="Superior epigastric artery">superior epigastric</a>)</li> <li><i><a href="/wiki/Costocervical_trunk" title="Costocervical trunk">Costocervical trunk</a>:</i> <a href="/wiki/Highest_intercostal_artery" class="mw-redirect" title="Highest intercostal artery">Highest intercostal</a> (<a href="/wiki/Posterior_intercostal_arteries" class="mw-redirect" title="Posterior intercostal arteries">Posterior intercostal 1–2</a>)</li> <li><a href="/wiki/Deep_cervical_artery" title="Deep cervical artery">Deep cervical</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Descending_aorta" title="Descending aorta">Descending<br />aorta</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i>visceral:</i> <a href="/wiki/Bronchial_artery" title="Bronchial artery">Bronchial</a></li> <li><a href="/wiki/Esophageal_branches_of_thoracic_part_of_aorta" title="Esophageal branches of thoracic part of aorta">Esophageal</a></li> <li><a href="/wiki/Mediastinal_branches_of_thoracic_part_of_aorta" title="Mediastinal branches of thoracic part of aorta">Mediastinal</a></li></ul> <ul><li><i>parietal:</i> <a href="/wiki/Posterior_intercostal_arteries" class="mw-redirect" title="Posterior intercostal arteries">Posterior intercostal 3–11</a></li> <li><a href="/wiki/Subcostal_arteries" title="Subcostal arteries">Subcostal</a></li> <li><a href="/wiki/Superior_phrenic_arteries" title="Superior phrenic arteries">Superior phrenic</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist 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