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. Author manuscript; available in PMC: 2023 Dec 13.
Published in final edited form as: J Am Coll Cardiol. 2022 Nov 2;80(24):e223–e393. doi: 10.1016/j.jacc.2022.08.004

FIGURE 2. A Simplified Diagram Depicting the Key Histologic Components of the Aortic Wall.

FIGURE 2

The medial layer in human aortas contains >50 alternating layers of elastin and smooth muscle cells (whereas only 5 are shown in this simplified illustration). Adapted (cropped) from “Illustration of tunics of the arteries vs veins” by Malgosia Wilk-Blaszczak, used under CC-BY 4.0. “Illustration of tunics of the arteries vs veins” is adapted (cropped) from figure 20.3 in BC OpenStax Anatomy and Physiology used under CC-BY 4.0.