PATHOLOGY

Detailed explanation-1: -Elastic arteries are those nearest the heart (aorta and pulmonary arteries) that contain much more elastic tissue in the tunica media than muscular arteries. This feature of the elastic arteries allows them to maintain a relatively constant pressure gradient despite the constant pumping action of the heart.

Detailed explanation-2: -Arteries will also contain a lot more elastic fibers in comparison to veins. Both the smooth muscle and elastic fibers are arranged in circular or concentric layers surrounding the lumen of the blood vessel.

Detailed explanation-3: -Arteries are blood vessels that carry blood away from the heart. Because they are under high pressure, arteries have strong elastic walls. The largest artery from the heart is called the aorta.

Detailed explanation-4: -The walls of the veins are thin and less elastic than those of the arteries. This is because the veins do not need to be as strong as the arteries as they do not have to withstand high pressure.