noun
arteriosclerosis
ar-teer-ee-oh-skluh-ROH-sis/ɑːrˌtɪriəʊskləˈrəʊsɪs/
Hardening and thickening of artery walls, making them less flexible.
The textbook explains how arteriosclerosis makes artery walls less flexible.

Etymology
Sclerosis names a hardening, especially an abnormal hardening of tissue. Adding the artery component identifies the tissue affected: the arteries themselves become hardened.
In context
most common cause of central retinal artery occlusion is arteriosclerosis most common cause of central retinal vein occlusion is arteriosclerosis
More examples
- The scan was reviewed for evidence of arteriosclerosis.
- The lecture distinguishes arteriosclerosis from other vascular conditions.
- The report describes widespread arteriosclerosis in the examined vessels.
Similar words
- atherosclerosis
- A type involving fatty plaque accumulation in artery walls.