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Which vein in the human body does not contain valves?
all veins contain valves
What causes imcompetent valves in leg veins?
Venous insufficiency is a condition in which blood pools in the vein because the valves have become incompetent.
Which veins don't have valves?
The facial vein has no valveshttp://en.wikipedia.org/wiki/Facial_vein
What are flaps of tissue that allow blood to flow in only one direction?
They are called valves, or leaflet valves in the veins, that interlock to prevent backflow of the blood.
When valves of veins do not function properlythey are referred to as competent valves?
They would be considered incompetent valves because they are not working properly. You need all the vein valves to work properly for maximum functioning.
What is a varicose vein in hunman body?
A varicose vein is a distended vein where the valves are unable to close properly. This can lead to thromboses, which are blood clots and can make the veins hard, bumpy, and painful.
What do veins have to prevent blood from flowing backward?
One-way valves prevent the back flow of bloodThere are tiny one way valves throughout a vein. These stop blood from flowing backwards. Interestingly, when these valves in veins in the legs malfunction, the result are varicose veins.
What causes abnormally swollen veins in legs?
They are called varicose veins and they are a result of faulty valves in the veins that allow blood to pool or flow back instead of going forward and the vein then bulges.
What is the symptom of a person whose vein valves are not functioning properly and are causing fluid to flow away from the heart?
Swollen veins
Which are the two veins that form hepatic portal vein?
The two veins that form hepatic portal vein are the splenic vein and the superior mesenteric vein. These veins usually receive blood from the inferior mesenteric, gastric, and cystic veins.
What is the term for a thin-walled blood vessel with valves that carries blood to the heart?
Veins are thin-walled blood vessels that carry blood to the heart. The valves in veins help prevent backflow. In contrast, arteries have thicker walls and no valves. They carry blood away from the heart.
The vessel with valves that keep blood from flowing in the right direction?
The vessel with valves that keep blood from flowing in the right direction is the vein. Veins have one-way valves that prevent backward flow of blood, ensuring it moves back towards the heart. This helps maintain proper circulation of blood throughout the body.
