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arteriosclerosis ar·te·ri·o·scle·ro·sis (är-tēr'ē-ō-sklə-rō'sĭs)
Any of a group of chronic diseases in which thickening, hardening, and loss of elasticity of the arterial walls result in impaired blood circulation. Also called arterial sclerosis.
A thickening, hardening, and loss of elasticity of the arterial walls that results in impaired blood circulation. See also atherosclerosis.
A disease commonly called hardening of the arteries. In arteriosclerosis, the walls of the arteries thicken and harden. The loss of flexibility results in a lessening of the flow of blood to the various organs of the body. (Compare atherosclerosis; see circulatory system.)