What Is the Difference Between LMCA And RCA in Anatomy?

Q:
We have 2 main coronary arteries? And what is the differences?
A:
Yes, there are 2 main coronary arteries in dissection, including the left one and right one.

Left main coronary artery (LMCA).
It provides blood for the left side of the heart muscle.

Right coronary artery (RCA).
It provides blood for the right ventricle, the right atrium, and the SA (sinoatrial) and AV (atrioventricular) nodes, which regulate the heart rhythm.

Keywords:  coronary artery anatomy; coronary artery dissection.

 

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