The plaques of atherosclerosis cause the three main kinds of cardiovascular disease 1  : Coronary artery disease: Stable plaques in the heart's arteries cause angina (chest pain on exertion). 2  Sudden plaque rupture and clotting causes heart muscle to die. 3  This is a heart attack, or myocardial infarction.hat causes your white blood cells to stream in to digest the LDL. Over years, the accumulating mess of cholesterol and cells becomes a plaque in the wall of the artery. Plaque is a jumble of cholesterol, cells, and debris that creates a bump on the artery wall. As atherosclerosis progresses, that bump gets bigger.
Top definition Stromatolite unknown 1)A widely distributed sedimentary structure consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
Travertine is a freshwater sedimentary limestone that has very thin, crenulated layers and is commonly formed at springs. Marble is a carbonate rock, usually a marine limestone, that has been squeezed and deformed like plastic by great heat and pressure deep beneath the Earth's surface.