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A vein. Arteries have additional muscular layers to withstand the higher pressures of blood leaving the heart, veins lack this layer due to low-pressure environments.
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What muscle is associated with the blood vessel?
Smooth muscle
What type of vessel has relatively little smooth muscle or elastin in the tunica media a large lumen average of 5.0 mm in diameter and thin walls average of 0.5 mm?
vein
Which blood vessel tunic is composed of smooth muscle and controls the diameter of the vessel?
Tunica interna
What is a Vasospasm?
Vasospasm-- Narrowing of a blood vessel caused by a spasm of the smooth muscle of the vessel wall.
What is an abdominoscrotal muscle?
An abdominoscrotal muscle is another name for the cremaster muscle, a thin muscle attached to the testicles.
What blood vessel tunic is thin of capillaries?
Tunica Externa
Are there more thick filaments than thin filaments in smooth muscle?
There more thin filaments than thick filaments in smooth muscle. The ratio is of the thin to thick filaments in the smooth muscle is approximately 15:1.
When contraction of the smooth muscle in a blood vessel wall results in the vessel is referred to as being in a condition of?
vasoconstriction
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in?
an increase in vessel diamete
What is a vessel with a thick layer of smooth muscle and elastic fibers that allow for expansion?
An artery is a vessel with a thick medial layer, consisting of smooth muscle to allow for constriction or dilation in order to control blood flow through the vessel.
What muscle shapes the muscle?
thick and thin bands (lines) of filaments.
What is the blood vessel on the heart muscle called?
Coronary arteries
