1. A deposit of fatty substances, cholesterol, and other materials in the inner lining of artery walls, often leading to narrowing and hardening of arteries.
Usage: medical/anatomical term; usually used in singular or uncountable form

Examples

• The buildup of atheroma in the coronary arteries can restrict blood flow to the heart.
• Atheroma formation is a key factor in the development of atherosclerosis.
• High cholesterol levels increase the risk of atheroma accumulation.
• Doctors use imaging tests to detect atheroma in patients at risk for heart disease.
• The atheroma gradually narrows the artery, potentially leading to a heart attack or stroke.