Foam cells in atherosclerosis contain lipid in the form of ?: (A) Oxidized LDL, (B) Reduced LDL, (C) Oxidized VLDL, (D) Reduced VLDI
Answer is A. Ans. is 'a' i.e., Oxidized LDLMorphology of atherosclerotic plaque There are three major components of an atherosclerotic plaques :-i) Cells : Smooth muscle cell and macrophages are the major cells with some contribution from foam cells (lipid-laden macrophages), and lymphocytes. Advanced atherosclerotic plaque may lack smooth muscles as smooth muscle cells undergo apoptosis.ii) Extracellular matrix : Collagen, elastic fibers, proteoglycans.iii) Lipids : Both intracellular and extracellular, with cholesterol and cholesterol ester being the major lipids.