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Phlebostenosis
arteries 've short lumen where as veins 've large lumen.
Phlebostenosis
Double-lumen PICC lines come in two colors. Red is the blood access lumen or arterial lumen and blue is the blood return lumen or venous lumen. Despite the names, neither lumen is leads to an artery, but both lead into a vein.
The chemical causes the vein to become inflamed, which leads to the formation of fibrous tissue and closing of the lumen, or central channel of the vein.
The width/ diameter is the length form one wall to the other.
The main function of a renal vein is to carry blood from the kidneys
Lumen is a type of liquid which resides in the elementary kennel. It helps transporting absorbed foods to the liver through the hepatic portal vein made by blood vessels joining up in the small intestines. So the lumen helps with assimilation
The function of the common iliac vein is to drain into the inferior vena cava. The common iliac vein forms in the abdomen and is a connection of the internal and external iliac vein.
veins have many thin layers with circular elastic and muscle fibres and a wide lumen
Arteries are more elastic but have smaller lumen. They carry blood away from the heart. Veins are less elastic have larger lumen and have valves. They carry blood to the heart.
The function of the common iliac vein is to drain into the inferior vena cava. The common iliac vein forms in the abdomen and is a connection of the internal and external iliac vein.