| Left marginal artery | |
| Latin: | ramus marginalis sinister arteriae coronariae sinistrae |
| Branchfrom: | Circumflex artery |
| Vein: | Left marginal vein |
| Supplies: | Left ventricle |
The left marginal artery (or obtuse marginal artery) is a branch of the circumflex artery, originating at the left atrioventricular sulcus, traveling along the left margin of heart towards the apex of the heart.
