Definition of "arteriolosclerosis" [ar•te•ri•ol•o•scle•ro•sis]

• Hardening, narrowing or loss of elasticity in the arterioles. (noun)

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• "Brain autopsies on 418 members of a Chicago religious order, who were assessed for Parkinson's symptoms from 1994 until their death, found small blood vessel blockages, or microinfarcts, in 33 (7.9%) cases and arteriolosclerosis (small vessel disease) in 62 (14.8%)."
• "Large and small infarcts, and arteriolosclerosis, were significantly associated with Parkinson-like symptoms, especially impaired gait."
• "In advanced stages of peripheral arteriolosclerosis, blood vessels are narrowed."