
Medium vein
In medium veins, each of the tunics increases in width, with a well-defined tunica adventitia predominating. Medium veins are often named, e.g., radial, tibial and popliteal. Accompanying this vein is a muscular artery. 40x, 200x

Medium vein
In medium veins, each of the tunics increases in width, with a well-defined tunica adventitia predominating. Medium veins are often named, e.g., radial, tibial and popliteal. Accompanying this vein is a muscular artery. 40x, 200x

Medium artery
In medium veins, each of the tunics increases in width, with a well-defined tunica adventitia predominating. Medium veins are often named, e.g., radial, tibial and popliteal. Accompanying this vein is a muscular artery. 40x, 200x

Tunica intima
In medium veins, each of the tunics increases in width, with a well-defined tunica adventitia predominating. Medium veins are often named, e.g., radial, tibial and popliteal. Accompanying this vein is a muscular artery. 40x, 200x

Tunica media
In medium veins, each of the tunics increases in width, with a well-defined tunica adventitia predominating. Medium veins are often named, e.g., radial, tibial and popliteal. Accompanying this vein is a muscular artery. 40x, 200x

Tunica adventitia
In medium veins, each of the tunics increases in width, with a well-defined tunica adventitia predominating. Medium veins are often named, e.g., radial, tibial and popliteal. Accompanying this vein is a muscular artery. 40x, 200x

Image source >
This image was taken of a slide from the University of Cincinnati slide collection.