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The coronary arteries are the arterial blood vessels of coronary circulation, which transport oxygenated blood to the heart muscle. The heart requires a continuous supply of oxygen to function and survive, much like any other tissue or organ of the body. [1] The coronary arteries wrap around the entire heart and both lungs .
Coronary circulation is the circulation of blood in the arteries and veins that supply the heart muscle (myocardium). Coronary arteries supply oxygenated blood to the heart muscle. Cardiac veins then drain away the blood after it has been deoxygenated. Because the rest of the body, and most especially the brain, needs a steady supply of ...
Capillaries join the arteries and veins. The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. [1][2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia ...
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
Details; System: Circulatory: Artery: Aorta, [a] pulmonary trunk and right and left pulmonary arteries, [b] right coronary artery, left main coronary artery [c]: Vein: Superior vena cava, inferior vena cava, [d] right and left pulmonary veins, [e] great cardiac vein, middle cardiac vein, small cardiac vein, anterior cardiac veins [f]
The coronary sinus (from Latin corona 'crown' [citation needed]) is the largest vein of the heart. [1][2] It drains over half of the deoxygenated blood from the heart muscle into the right atrium. It begins on the backside of the heart, in between the left atrium, and left ventricle; it begins at the junction of the great cardiac vein, and ...
The left coronary artery (LCA, also known as the left main coronary artery, or left main stem coronary artery) is a coronary artery that arises from the aorta above the left cusp of the aortic valve, and supplies blood to the left side of the heart muscle. [citation needed] The left coronary artery typically runs for 10–25 mm, then bifurcates ...
Coronary artery disease (CAD), also called coronary heart disease (CHD), ischemic heart disease (IHD), [13] myocardial ischemia, [14] or simply heart disease, involves the reduction of blood flow to the cardiac muscle due to build-up of atherosclerotic plaque in the arteries of the heart. [5][6][15] It is the most common of the cardiovascular ...
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