PR. R. ABELANET - CNRI / SCIENCE PHOTO LIBRARY PR. R. ABELANET - CNRI / SCIENCE PHOTO LIBRARY
Narrowed heart valve. Close-up of an aortic valve (centre) affected by stenosis (narrowing) as a result of Monckeberg's arteriosclerosis. Monckeberg's arteriosclerosis a form of arteriosclerosis (artery hardening) that mostly affects the peripheral arteries in the elderly.
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