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An atheroma, or atheromatous plaque, is an abnormal accumulation of material in the inner layer of an arterial wall. [1] [2]The material consists of mostly macrophage cells, [3] [4] or debris, containing lipids, calcium and a variable amount of fibrous connective tissue.
Atherosclerosis is characterized by the build-up of plaque inside your blood vessels. It can lead to stenosis, which is a narrowing of your artery walls. Plaque is a fatty substance made up of:
It is characterized by a remodeling of arteries leading to subendothelial accumulation of fatty substances called plaques. The buildup of an atheromatous plaque is a slow process, developed over several years through a complex series of cellular events occurring within the arterial wall and in response to several local vascular circulating factors.
A vulnerable plaque is a kind of atheromatous plaque – a collection of white blood cells (primarily macrophages) and lipids (including cholesterol) in the wall of an artery – that is particularly unstable and prone to produce sudden major problems such as a heart attack or stroke.
The build-up of plaque is also called atherosclerosis. Plaque can limit the supply of blood and oxygen to your heart tissue. Many people with early coronary artery disease don’t have any ...
Atherosclerosis is a hardening of an artery specifically due to an atheromatous plaque. The term atherogenic is used for substances or processes that cause atherosclerosis. Micrograph showing hyaline arteriolosclerosis in the kidney. PAS stain.
Atherosclerosis (a buildup of plaque in your arteries) Stroke. Cardiovascular disease. Heart failure. Heart attack. Eye damage. Kidney failure. Vascular dementia. Aneurysm. Ridofranz/istockphoto.
And then finally, atherosclerosis is the hardening of any artery ( even though it’s usually medium- to large-sized arteries) which is caused by the buildup of plaque. These plaques are called atheromatous plaques and happen in the innermost wall of the blood vessel called the tunica intima or endothelium.