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arteriosclerosis (ahr-tēr″e-o-sklә-ro┬┤sis)   any of a group of diseases characterized by thickening and loss of elasticity of the arterial walls; symptoms depend on the organ system involved. There are three main types: atherosclerosis (the most common type), M├Ânckeberg arteriosclerosis, and arteriolosclerosis. Sometimes all three forms are present in the same patient, although in different blood vessels. adj., arteriosclerot┬┤ic., adj.

arteriosclerosis obliterans  arteriosclerosis in which proliferation of the intima has caused complete obliteration of the lumen of the artery. See also endarteritis obliterans.

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