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What is relaxation of the smooth muscle in the artery wall which causes the artery wall to become larger?
Vasodilation
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.
Why the artery has a thick layer muscle then vein?
Because there is more pressure on the artery wall (from the heart) than that of the vein.
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.
What are the differences of the wall of the artery and a vein?
The muscularis layer of arteries has a thicker layer of smooth muscle.
What artery wall contains many smooth muscle cells?
The walls of all the arteries are made up of smooth muscle cells.
What is the layer in the wall of an artery that helps maintain blood pressure?
smooth muscle and elastic connective tissue
Is Artery more thicker than vein?
the wall of an artery is usuallythicker that the wall of a vein.
Which artery supplies the soleus muscle?
Posterior tibial artery and peroneal artery.
What is the name of the artery that supplies the cremasteric muscle?
cremastric artery
What blood vessels are harmed when one has a heart attack?
So a heart-attack is a result of a block artery. This blockage can prevent blood flow to the muscle of the heart. If this is the case, the muscle ca become damaged. So to answer your question, the vessels are not necessarily getting damaged during a heart attack. It's the muscle. However there are three vessel the supply the heart with blood. Below is each vessel and the muscle wall that could be damage in a heart-attack. Right Coronary Artery(RCA): Inferior wall Left Anterior Descending (LAD): Anterior Wall Curcumflex(Cx): Lateral wall
What is the weaned area of the artery wall called?
The weaned area of the artery wall is referred to as the "media," or more specifically, the "tunica media." This middle layer consists primarily of smooth muscle cells and elastic fibers, allowing the artery to maintain blood pressure and regulate blood flow. The tunica media is crucial for the functionality of arteries as it enables them to contract and expand in response to physiological demands.
