Valves aid in venous return by preventing the back flow of blood.
No. Only venous vessles contain valves.
Venous ulcer are caused by venous insufficiency (improper functioning of venous valves).
No, the venous valves are folds of the tunica intima, the innermost layer of the vessel.
weakening of the venous valves
valves
Chronic Venous Insufficiency
R. Gottlob has written: 'Venous valves' -- subject(s): Diseases, Surgery, Vascular Diseases, Veins, Venous valves
These are venous valves.
Venous valves .
Venous valves .
Venous valves .
These are venous valves.