Left marginal artery

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Artery: Left marginal artery
Base and diaphragmatic surface of heart. (Left marginal artery not visible, but would be near center left.)
ARTERIES: RCA = right coronary AB = atrial branches SANB = sinuatrial nodal RMA = right marginal LCA = left coronary CB = circumflex branch LAD/AIB = anterior interventricular LMA = left marginal PIA/PDA = posterior descending AVN = atrioventricular nodal VEINS: SCV = small cardiac ACV = anterior cardiac AIV/GCV = great cardiac MCV = middle cardiac CS = coronary sinus
Latin	ramus marginalis sinister arteriae coronariae sinistrae
Supplies	left ventricle
Source	circumflex artery
Vein	left marginal vein
Dorlands / Elsevier	r_02/12690727

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The left marginal artery (or obtuse marginal artery) is a branch of the circumflex artery, originating at the posterior interventricular sulcus, traveling along the left margin of heart towards the apex of the heart.

See also

• Right marginal branch of right coronary artery

External links

• 275447867 at GPnotebook
• SUNY Labs 20:09-0106 - "Heart: The Left Coronary Artery and its Branches"
• SUNY Figs 20:04-02 - "Posterior view of the heart."
• Definition at medcyclopaedia.com
• Image at texheartsurgeons.com
• Overview and diagrams at cardiologysite.com

v • d • e List of arteries of torso - chest
Pulmonary / coronary	right coronary: SA nodal - AV nodal - atrial - right marginal - posterior interventricular left coronary: anterior interventricular - left circumflex - left marginal
Ascending aorta	aortic arch - brachiocephalic (thyreoidea ima) - common carotid
Subclavian	internal thoracic: anterior intercostal - thymic - pericardiacophrenic - terminal (musculophrenic, superior epigastric) costocervical trunk: highest intercostal (posterior intercostal 1-2) - deep cervical
Descending / thoracic aorta	visceral: bronchial - esophageal - mediastinal parietal: posterior intercostal 3-11 - subcostal - superior phrenic

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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .