What term describes the reduction of blood flow in a narrowed artery?

The term that describes the reduction of blood flow in a narrowed artery is "stenosis." This condition occurs when the arterial lumen is constricted or narrowed due to various factors, which can include plaque buildup (atherosclerosis), congenital defects, or inflammation. As a result of the narrowing, the blood flow is diminished, which can lead to various symptoms and complications depending on the severity and location of the stenosis.

Understanding stenosis is crucial in vascular technology because it directly relates to many cardiovascular diseases and their management. Identifying degree and effects of stenosis in arteries is essential for guiding treatment decisions and improving patient outcomes.