![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2023/10/Or.CV_.V.V-9A-1-NEW-ping.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2023/10/Or.CV_.V.V-9A-2-ping.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2023/10/Or.CV_.V.V-9A-3-ping.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2023/10/Or.CV_.V.V-9A-4-ping.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2023/10/Or.CV_.V.V-9A-5-ping.png)
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 > <p>This image was taken of a slide from the University of Cincinnati slide collection.</p>](https://digitalhistology.org/wp-content/uploads/2023/10/Cincinnati-center.png)
Image source >
This image was taken of a slide from the University of Cincinnati slide collection.