NCIthesaurus arteriosclerosis arteriolosclerosis SNOMEDCT_US_2025_09_01:17941002 MESH:D050379 MESH:D050379 DOID:5162 An arteriosclerosis that is characterized by thickening of the wall of the small arteries and arterioles, caused by deposition of hyaline material in the wall or concentric smooth muscle wall hypertrophy, and results in lumen narrowing and tissue ischemia. ICD10CM:I70 disease_ontology UMLS_CUI:C0878486 NCI:C35543