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Vasodilation refers to the widening of blood vessels, particularly arteries, due to the relaxation of smooth muscle layers in their walls. This process increases the diameter of the artery, allowing for greater blood flow and reduced resistance. As a result, vasodilation can lower blood pressure and improve oxygen delivery to tissues. It is an essential physiological response in various conditions, such as exercise and heat regulation.
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What effect does local heat application have on blood vessel diameter?
Vasodilation or enlargement of the blood vessel
What is relaxation of the smooth muscle in the artery wall which causes the artery wall to become larger?
Vasodilation
Which would have the greater effect on vascular resistance?
Vasoconstriction would have a greater effect on increasing vascular resistance compared to vasodilation. When blood vessels constrict, their diameter decreases, leading to increased resistance to blood flow. Conversely, vasodilation results in an expansion of blood vessel diameter, reducing resistance.
Word root for dilation of an artery?
The word root for dilation of an artery is "vaso-" or "vas-" as in vasodilation.
Does cold have a vasodilation effect?
No, it has a vasoconstricting effect.
What effect does vasodilation have on blood pressure?
Vasodilation typically leads to a decrease in blood pressure. This is because when blood vessels dilate, their diameter increases, allowing more blood to flow through them with less resistance, reducing the pressure on the vessel walls.
What is the diameter of the normal carotid artery?
What is the diameter of the normal carotid artery?
What is the diameter of renal artery?
4.8mm
Who has more diameter aorta or pulmonary artery?
no
What artery in the kidney has the smallest diameter?
f this test
Effect of estrogen on blood vessels?
Estrogen has a vasodilation action on blood vessels.
Is there a difference between vasodilation and vasodilatation?
None.'Vasodilatation' is technically the correct term for increase in diameter of lumen of blood vessels.In fact, there is no such term as 'vasodilation', but it is a very common mistake that people use the term 'vasodilation' instead of 'vasodilatation'.
