Coronary artery
Coronary Artery
The Coronary Artery (pronunciation: kuh-ROH-nuh-ree AHR-tuh-ree) is a major blood vessel that supplies the heart with blood, oxygen, and nutrients.
Etymology
The term "Coronary" is derived from the Latin word "corona" meaning crown, and "artery" from the Greek word "arteria" meaning windpipe. This is due to the way the coronary arteries encircle the heart in a crown-like fashion.
Function
The coronary arteries are responsible for delivering oxygen-rich blood to the myocardium, which is the muscular layer of the heart wall. There are two main coronary arteries, the right coronary artery (RCA) and the left coronary artery (LCA). These arteries branch off into smaller arteries to supply blood to all parts of the heart.
Related Terms
- Myocardium: The muscular tissue of the heart.
- Right Coronary Artery: One of the two main coronary arteries, supplying blood to the right side of the heart.
- Left Coronary Artery: One of the two main coronary arteries, supplying blood to the left side of the heart.
- Coronary Artery Disease: A disease caused by the buildup of plaque in the coronary arteries, leading to reduced blood flow to the heart.
- Coronary Artery Bypass Grafting: A surgical procedure to improve blood flow to the heart.
See Also
External links
- Medical encyclopedia article on Coronary artery
- Wikipedia's article - Coronary artery
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