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A form of arteriosclerosis characterized by the presence of lesions (called plaques) on the innermost layer of the walls of large and medium-sized arteries. The plaques contain lipids, collagen, inflammatory cells, and other substances and can impede blood flow or rupture, leading to serious problems such as heart attack or stroke.
ath′er·o·scle·rot′ic (-rŏt′ĭk) adj.
n, pl -ses (-siːz)
(Pathology) a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis. See atheroma
[C20: from New Latin, from Greek athēra gruel (see atheroma) + sclerosis]
ath•er•o•scle•ro•sis(ˌæθ ə roʊ skləˈroʊ sɪs)
a common form of arteriosclerosis in which fatty substances form a deposit of plaque on the inner lining of arterial walls.
ath`er•o•scle•rot′ic (-ˈrɒt ɪk) adj.
an artery narrowed by the buildup of cholesterol
Narrowing of the walls of the arteries caused by deposits of fatty substances (called plaques), especially cholesterol. It is the most common form of arteriosclerosis.
A disease of the arteries caused by buildup of fatty deposits. It is sometimes treated with coronary bypass surgery.
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|Noun||1.||atherosclerosis - a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries|