It typically runs for 1 to 25 mm and then bifurcates into the anterior interventricular artery (also called left anterior descending (LAD)) artery and the left circumflex artery (LCX). Sometimes an additional artery arises at the bifurcation of the left main artery, forming a trifurcation; this extra artery is called the intermediate artery.
Heart-Coronary Arteries
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.
Diagram of the heart showing
Autopsy specimen showing the coronary ostia and proximal segments of the coronary arteries. Compare with Gray's Anatomy drawing above.
Human heart anatomy diagram
Notes for this diagram are
Heart Diagram tricuspid valve
Diagrams Specifying
Heart-Coronary Arteries
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.
Diagram of the heart showing
Autopsy specimen showing the coronary ostia and proximal segments of the coronary arteries. Compare with Gray's Anatomy drawing above.
Human heart anatomy diagram
Notes for this diagram are
Heart Diagram tricuspid valve
Diagrams Specifying
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