1 - There is damage to the endothelial lining of the artery due to CHD, 2 - LDL cholesterol moves into the endothelial layer., 3 - There is an inflammatory response in the arterial wall, 4 - macrophages arrive, move into the artery wall and digest LDL cholesterol , 5 - they turn into foam cells, this is a white streak, 6 - smooth muscle cells in the tunica media, migrate to tunica interne  , 7 - they secrete collagen making a fibrous cap , 8 - lipids build up under the fibrous cap, 9 - they form an atheroma, and the artery wall bulges outwards, 10 - deposits of calcium occur, under the fibrous cap , 11 - causing the artery to harden, and looses elasticity, , 12 - this is an atherosclerosis , 13 - the fibrous cap pushes into the lumen, and bursts causing a clot to form , 14 - the clot is reabsorbed, the process continues the lumen narrows, 15 - this leads to angina, and if narrow enough a heat attack,

CAX KS5 stages of atherosclerosis put them in order

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