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Stenosis.
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What is central opening of vessel called?
Lumen
What Process was once called reduction division?
meiosis
Why photosynthesis is called oxidation reduction process?
Why photosynthesis is called oxidation reduction process?
What is the space within a tubelike structure called?
The space within a tube-like structure is called a lumen. Parts of the body with lumens include veins and arteries.
What is the medical term meaning pertaining to within the lumen?
Intraluminal or endoluminal means pertaining to within the lumen.
Reduction of the diameter of tunica intima is called?
vasoconstriction
What is the medical term meaning inner diameter of a tube?
The medical term for the inner diameter of a tube is "lumen."
What of the needle determined the diameter of its lumen?
guage
Is the diameter of the lumen larger in arteries or in capillaries?
Arteries have the largest diameter, then arterioles, and last, capillaries.
What is the internal space of a blood vessel called?
called lumen
What is the increase of diameter in a blood vessel called?
Vasodilation: Widening of blood vessels resulting from relaxation of the muscular wall of the vessels. What widens is actually the diameter of the interior (the lumen) of the vessel. The opposite of vasoconstriction.
Lumen is the size of red blood cells?
The lumen is the size of the inside of the blood vessel. The type of blood vessel that has a lumen approximately the same diameter as a single red blood cell is a capillary.
What is the process called which involves the contraction of smooth muscle in the artery wall reducing the diameter of the lumen?
Vasoconstriction is normal contraction of smooth muscle in the artery wall.
Does capillaries have a lumen?
Yes, they are very narrow (1 Red Blood Cell in diameter).yes.they have lumen so that erythrocytes can moves through theb,
What is the width of a lumen in a vein?
The width/ diameter is the length form one wall to the other.
Is Vasodilation is a widening of the lumen due to smooth muscle contraction?
No.Vasodilatation, ie, widening of vascular lumen is caused due to vascular smooth muscles' relaxation.While, vasoconstriction, ie, decrease in diameter of the lumen is caused due to smooth muscle contraction.
What is the hollow core of the needle called?
lumen
