arteriolosclerosis

noun
ar·​te·​rio·​lo·​scle·​ro·​sis | \är-ˌtir-ē-ˌō-(ˌ)lō-sklə-ˈrō-səs, -ē-ə-ˌlō- \
plural arterioloscleroses\ -​ˌsēz \

Medical Definition of arteriolosclerosis 

: thickening of the intima of arterioles (as of the kidney in hypertension) by hyaline and fatty deposits that reduce the lumen and obstruct blood flow

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