Been wondering about the anatomy of the left coronary artery and its function? Watch this video - we’ll teach you everything you need to know! Once you’re done watching, test yourself with a quiz:
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The coronary circulation is responsible for nourishing the heart during its tireless effort in pumping blood around the body. The first branches that radiate from the ascending aorta as it emerges from the left ventricle are the left and right coronary arteries - which directly provide an arterial blood supply to the cardiac muscle.
The left coronary artery, along with the right, arises from the bilateral aortic sinuses which are situated just distal to the aortic valve and runs between the left atrium and the trunk of the pulmonary artery.
It supplies the left atrium, a large portion of the left ventricle, a small portion of the right ventricle, the interventricular septum, and the sinoatrial node in approximately 40% of the population. It's two main branches include the circumflex branch that supplies the posterior surface of the heart, and the interventricular branch.
In this video, we teach you:
0:09 The coronary circulation
0:45 The left coronary artery location
1.00 Which structures does the left coronary artery supply?
1:20 Branches of the left coronary artery
Want to test your knowledge on coronary arteries and cardiac veins? Awesome! This quiz is perfect for you: https://khub.me/o5rml
Hungry to learn more? We’ve got an article for that! Check out this one on the blood supply of the heart, where we also touch on some disorders of coronary vessels: https://khub.me/p2yls
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to: https://khub.me/iv1vy
Left coronary artery - Function and Diagram - Human Anatomy | Kenhub | |
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| Education | Upload TimePublished on 19 Nov 2015 |
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