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Left coronary artery.

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13y ago
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12y ago

Ascending aorta.

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Q: The right and left coronary arteries are branches of the?
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What structure supplies oxygenated blood to the heart muscle?

Coronary arteries. The orifice of the coronary arteries are located on proximal part of the ascending aorta, and there are two orifices branching into the left and right coronary arteries.The marginal, anterior and ventricular arteries provide the cardiac muscle with oxygenated blood.The coronary arteries are the major vessels bringing blood to the heart muscle. The are the left and right coronary arteries, the left having a common trunk followed by the circumflex and anterior descending branches. Each of these give off side branches which bring blood and hence oxygen to the heart muscle. Coronary arteries fill during diastole.There is a right coronary artery and the left coronary artery. In total there are four coronary arteries.


First artery that branches off the ascending aorta and serves the heart?

Right and left coronary arteries.


How many coronary arteries does the human heart have?

some times , after angiography the doctors says,this patient have two clogged arteries or three clogged arteries.My question,total how many arteries in normal human heart.and how many clogged arteries will lead the patient to death?


What two useful substance the coronary arteries in the heart will supply?

The coronary arteries supply oxygenated and nutrient filled blood to the heart muscle. There are two main coronary arteries: right coronary artery and left coronary artery. Other arteries diverge from these two main arteries and extend to the bottom portion of the heart.


What is the largest artery in heart?

The aorta. If you're talking about coronary circulation (the arteries supplying nutriments and oxygen to the myocardium itself), they are the left or right coronary arteries, depending on the person.

Related questions

What branches go off from the aorta?

The left and right coronary arteries.


Where are the first branches of the aorta located at?

To the neck and head, and the arteries are the Right and Left Coronary Arteries


What structure supplies oxygenated blood to the heart muscle?

Coronary arteries. The orifice of the coronary arteries are located on proximal part of the ascending aorta, and there are two orifices branching into the left and right coronary arteries.The marginal, anterior and ventricular arteries provide the cardiac muscle with oxygenated blood.The coronary arteries are the major vessels bringing blood to the heart muscle. The are the left and right coronary arteries, the left having a common trunk followed by the circumflex and anterior descending branches. Each of these give off side branches which bring blood and hence oxygen to the heart muscle. Coronary arteries fill during diastole.There is a right coronary artery and the left coronary artery. In total there are four coronary arteries.


Which arteries are a branch of the abdominal aorta?

The only branches of the ascending aorta are the two coronary arteries which supply the heart; they arise near the commencement of the aorta from the aortic sinuses which are opposite the aortic valve. The Right and the Left coronary arteries


First artery that branches off the ascending aorta and serves the heart?

Right and left coronary arteries.


Which blood vessel supplies blood to the heart muscle?

The myocardium (muscle) that makes up the heart has its own blood supply called the coronary circulation. The coronary circulation comprises two main arteries; the left coronary artery and the right coronary artery. They branch off from the aorta (the biggest artery in the body!) really early on. The left coronary artery branches (into left marginal artery) to supply the left atrium and ventricle (chambers). The right coronary artery branches (into circumflex and left anterior descending) to supply the right atrium and ventricle and a bit of the left ventricle. Extra for experts: the way the coronary circulation is made up can change (just like people can be short or tall) because of genetic variability. So most people (about 70% off the top of my head) are "right dominant," because their right coronary artery branches to form the posterior interventricular artery. Some people are "left dominant" because their left coronary artery branches to form the posterior interventricular artery. So just remember Aorta --> left coronary artery --> left marginal --> right coronary artery --> circumflex + left anterior descending + the posterior interventricular artery from either left or right coronary artery Hope this helps :)


What are the first branches of the aorta called?

the coronary arteries which pump blood to the heart. Then comes the brachiocephalic trunk which turns into the right subclavicular artery and the right carotid and then the left carotid and left subclavicular come.


Where are the coronary arteries located?

The right and left coronary arteries enter the top of the heart from the aorta.


How many coronary arteries does the human heart have?

some times , after angiography the doctors says,this patient have two clogged arteries or three clogged arteries.My question,total how many arteries in normal human heart.and how many clogged arteries will lead the patient to death?


Where the coronary artery located?

The right and left coronary arteries enter the top of the heart from the aorta.


What provides nutrient blood to the heart muscle?

The blood supply that nourishes the heart is provided by the right and left coronary arteries.


What separates the right side from the heart from its left side?

coronary arteries