Healthy Blood Vessel Anatomy - Medical Illustration #3224434 (License: Personal Use)

This anatomical illustration depicts two cross-sectional views of a healthy blood vessel: the upper shows an empty lumen with intact endothelial lining and smooth muscle layers, while the lower reveals red blood cells in laminar flow. The vessel wall includes tunica intima, media, and externa, demonstrating structural integrity without plaque or narrowing.

Used in medical education, patient brochures, cardiology websites, and health apps to explain normal vascular function and contrast with atherosclerosis or thrombosis. Matches user intent for understanding circulatory health basics.