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What does the middle layer of the artery consist of?
Smooth muscle.
What is the action called when the smooth muscle of the artery contracts?
Vasoconstriction!
What are the three layers of an artery and state their function?
The three layers of an artery are Endothelium, smooth muscle, and connective tissue.
What artery wall contains many smooth muscle cells?
The walls of all the arteries are made up of smooth muscle cells.
What smooth muscle contracts produce when an artery or arteriole is damaged?
a vascular spasm
What layer of an artery consists mostly of smooth muscles?
the tunica media is made of smooth muscles and elastic fibers.
What does the middle layer of the artery consist of?
Smooth muscle.
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.
What is relaxation of the smooth muscle in the artery wall which causes the artery wall to become larger?
Vasodilation
When the smooth muscle of the artery contracts the action is called?
Vasoconstriction!
What is the action called when the smooth muscle of the artery contracts?
Vasoconstriction!
Why do arteries have an internal ring of smooth muscle?
the tunica media consists almost entirely of smooth muscle why?
What are the three layers of an artery and state their function?
The three layers of an artery are Endothelium, smooth muscle, and connective tissue.
What artery wall contains many smooth muscle cells?
The walls of all the arteries are made up of smooth muscle cells.
What smooth muscle contracts produce when an artery or arteriole is damaged?
a vascular spasm
What is the smooth muscular layer of the renal artery called?
As with all blood vessels, the renal artery has a layer called the tunica media, which is usually rich in vascular smooth muscle.
Is the pulmonary artery a muscular artery?
Yes, the wall of the pulmonary artery contains a layer of smooth muscle to deal with the high pressure from the heart, and to help push the blood along.
