| 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 |
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| Latin | ramus marginalis sinister arteriae coronariae sinistrae |
| Supplies | left ventricle |
| Source | circumflex artery |
| Vein | left marginal vein |
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.
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