Definitions for Atherosclerosisˌæθ ə roʊ skləˈroʊ sɪs

This page provides all possible meanings and translations of the word Atherosclerosis

Princeton's WordNet

  1. atherosclerosis, coronary artery disease(noun)

    a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries

GCIDE

  1. atherosclerosis(n.)

    a form of arteriosclerosis characterized by irregular fatty deposits on the inner surface of large and medium-sized arteries; the deposits are associated with fibrosis and calcification of the inner layer of the arteries. Similar conditions may be found in swine and fowl. The deposits may become large enough to impede the blood circulation and in some cases may restrict the blood supply to the heart. Stedman

  2. Origin: [Gr. + -logy.]

Wiktionary

  1. atherosclerosis(Noun)

    The clogging or hardening of arteries or blood vessels caused by plaques (accumulations of fatty deposits, usually cholesterol).

Freebase

  1. Atherosclerosis

    Atherosclerosis is a condition in which an artery wall thickens as a result of the accumulation of fatty materials such as cholesterol and triglyceride. It is a syndrome affecting arterial blood vessels, a chronic inflammatory response in the walls of arteries, caused largely by the accumulation of macrophage white blood cells and promoted by low-density lipoproteins without adequate removal of fats and cholesterol from the macrophages by functional high-density lipoproteins. It is commonly referred to as a hardening or furring of the arteries. It is caused by the formation of multiple plaques within the arteries. The atheromatous plaque is divided into three distinct components: ⁕The atheroma, which is the nodular accumulation of a soft, flaky, yellowish material at the center of large plaques, composed of macrophages nearest the lumen of the artery ⁕Underlying areas of cholesterol crystals ⁕Calcification at the outer base of older/more advanced lesions. The following terms are similar, yet distinct, in both spelling and meaning, and can be easily confused: arteriosclerosis, arteriolosclerosis, and atherosclerosis. Arteriosclerosis is a general term describing any hardening of medium or large arteries; arteriolosclerosis is any hardening of arterioles; 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.

U.S. National Library of Medicine

  1. Atherosclerosis

    Thickening and loss of elasticity of the walls of medium and large muscular ARTERIES with lesions in the innermost layer of the artery (ARTERIAL INTIMA). This disease process of atherogenesis includes the retention of cholesterol-rich LIPOPROTEINS and their binding to PROTEOGLYCANS in the arterial intima, generation of proinflammatory molecules that recruit MACROPHAGES to the subendothelial space, formation of FOAM CELLS, and eventual calcification of the arterial wall. These arterial plaques (atheromas) contain CARBOHYDRATES; BLOOD; and CALCIUM.


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