Atherosclerosis is the

A) hypertrophy of the tunica intima.
B) stretching of arterial walls.
C) inflammation of veins.
D) deposition of plaques in arterial walls.

Atherosclerosis

A condition characterized by the hardening and narrowing of the arteries due to the buildup of plaque, which can restrict blood flow.

Tunica Intima

The innermost layer of a blood vessel, which lines the lumen of vessels and is composed of a thin layer of endothelial cells.

Arterial Walls

The layered structure of arteries, consisting of an inner lining, a middle layer of smooth muscle, and an outer layer of connective tissue.