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atherosclerotic plaqueThe core lesion of atherosclerosis, beginning as a fatty streak (an ill-defined yellow lesion, or fatty plaque), which develops well-demarcated edges that evolve to fibrous plaques (whitish lesions with a grumous lipid-rich core). With time, it becomes a complicated plaque composed of WBCs, smooth muscle cells and extracellular matrix in larger artery intimas.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
atherosclerotic plaqueCardiology The core lesion of atherosclerosis; it begins as a fatty streak, an ill-defined yellow lesion–fatty plaque, which develops well-demarcated edges that evolve to fibrous plaques, whitish lesions with a grumous lipid-rich core which, with time, becomes a complicated plaque composed of WBCs, smooth muscle cells and extracellular matrix in large artery intimas. See Complicated plaque.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
A deposit of fat and other substances that accumulate in the lining of the artery wall.
Mentioned in: Atherectomy
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.