umls-concept:C0004153 | skos:definition | CSP: age, lifestyle, diet, and gene related degeneration of arteries due to deposition of lipoid plaques (atheromas) on inner arterial walls; main cause of coronary artery disease, a leading cause of death.,CHV: deposition of cholesterol and lipid in the inner layer of the blood vessel,CHV: deposition of cholesterol and lipid in the inner layer of the blood vessel,CHV: deposition of cholesterol and lipid in the inner layer of the blood vessel,CHV: deposition of cholesterol and lipid in the inner layer of the blood vessel,MEDLINEPLUS: <p>Atherosclerosis is a disease in which plaque builds up inside your arteries. Plaque is a sticky substance made up of fat, <a href='http://www.nlm.nih.gov/medlineplus/cholesterol.html'>cholesterol</a>, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. That limits the flow of oxygen-rich blood to your body and can lead to serious problems, including</p><ul><li><a href='http://www.nlm.nih.gov/medlineplus/coronaryarterydisease.h | lld:umls |