arteriolosclerosis

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

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