Although capillaries have no tunica media, they have a tunica intima and tunica externa that are similar in thickness to those found in arterioles and venules.

Question

Quizplus · Accepted Answer

Capillaries have only a tunica intima, which is a thin layer of endothelial cells, and they lack both tunica media and tunica externa, making them different from arterioles and venules in structure.

Although Capillaries Have No Tunica Media, They Have a Tunica