NEET PG DENTAL EXAM

Detailed explanation-1: -Therefore, size is not their main identifying feature, but rather the structural makeup of smooth muscle in their wall-the wall of arterioles composed of three structurally distinct layers: intima, media, and adventitia.

Detailed explanation-2: -The walls of veins have the same three layers as the arteries. Although all the layers are present, there is less smooth muscle and connective tissue. This makes the walls of veins thinner than those of arteries, which is related to the fact that blood in the veins has less pressure than in the arteries.