Last Updated: Nov 25, 2022
Large blood vessels called coronary arteries are responsible for delivering blood to the heart. They let your heart to beat and circulate blood throughout your body. You have two coronary arteries, one on each side of your heart (LMCA).Each has smaller branches that extend deep into your heart muscle.
To get blood to the heart, both the right and left coronary arteries are necessary. They're offshoots of the major artery in your body, the aorta. The blood from these arteries and their branches reaches every portion of the heart muscle.
Your coronary arteries surround and run through your heart muscle. They branch from your aorta, which is your body's major artery. They begin at the aortic root, which is the first section of your aorta to emerge from your heart's left ventricle. The left ventricle is where oxygenated blood exits the heart and begins its trip through the body. The coronary artery branches are the first of several branches that emerge from the aorta.
There are two coronary arteries, and each of these arteries has multiple branches, which are as follows:
Coronary artery branch structures vary from person to person.
Example: Coronary arteries are normally surrounded by fat, however in some people they're in the heart muscle. In 10% of persons, the LCMA supplies the SA and AV nodes, not the RCA.
Sometimes a single coronary artery sprouts from the aorta. Most variants are harmless and symptomless. In rare circumstances (less than 1%) coronary artery anomalies might cause mortality.
The main coronary arteries are typically 3 to 4 millimetres in diameter. That is just a hair less than half as wide as a drinking straw. The size of your arteries varies slightly depending on your gender, body weight, and even ethnicity.
There are three layers in the arterial wall: the intima, the media, and the adventitia.Endothelial cells line the inside of an artery's lumen in a single layer called the tunica intima.
Cells from smooth muscles and collagenous make up the media, which is the intermediate layer. The adventitia comprises of connective tissue and is the outermost layer. The primary purpose of artery walls is to maintain normal blood pressure and ensure unidirectional blood flow.
Cells in the tunica intima generate a number of chemicals that maintain the artery clean and prevent the formation of blood clots. To control blood flow, cells of smooth muscles in the media relax and contract.
The coronary arteries and their branches are responsible for supplying blood to your heart. The oxygen and nutrients in blood are required by your heart muscles in order for them to pump blood through your heart and the rest of your body.
Eat a balanced diet reduced in salt, cholesterol, and saturated fats to protect your heart and coronary arteries.
Engaging in a regular exercise routine. Controlling hypertension. Neither smoking nor using any other form of tobacco. Taking steps to cut back on alcohol use.
Table of content
Find Cardiologist near me
Ask a free question
Get FREE multiple opinions from Doctors