Left marginal artery

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Artery: Left marginal artery
Gray491.png
Base and diaphragmatic surface of heart. (Left marginal artery not visible, but would be near center left.)
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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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Additional images[edit]

Coronary arteries (labeled in red text) and other major landmarks (in blue text). Left marginal artery is labeled at right.

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