Do Veins Have Thinner Walls Than Arteries. In d, we can read comparison also as if veins have lumens and arteries in itself, and we are comparing these two thing. Veins have a larger diameter and lumen, as well as a thinner wall, than those of corresponding arteries.
Large veins have diameters greater than 10mm and a thicker tunica intima.
That carry deoxygenated blood towards the heart. All arteries have relatively thick veins have no need for thick walls as they tend to not have to withstand high pressures like arteries. Veins have thinner walls than arteries. They have thinner walls (much less smooth muscle surrounding them) than arteries, and have.