Symptom atherosclerosis - atherosclerotic plaka, na naglalaman ng lipids (intracellular at ekstraselyular kolesterol at phospholipids), nagpapasiklab cell (tulad ng macrophages, T cell), makinis na mga cell ng kalamnan, nag-uugnay tissue (hal, collagen, glycosaminoglycans, nababanat fibers), thrombi at kaltsyum deposito .