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Left coronary artery

Artery supplying blood to the left side of the heart muscle

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Through Coronary arteries

LabHuman Body Systems

The part that is between the aorta and the bifurcation only is known as the left main artery (LM), while the term "LCA" might refer to just the left main, or to the left main and all its eventual branches.

Structure

Variation

Sometimes, an additional artery arises at the bifurcation of the left main artery, forming a trifurcation; this extra artery is called the ramus or intermediate artery.

A "first septal branch" is sometimes described.

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