Never. Unless you're bleeding, but if you're bleeding the body will undergo vasoconstriction not vasodilation so the answer is never.
Corticotrpin is the harmone which increases vasodilation in our body. alcohol causes vasodilation
Vasodilation causes a drop in blood pressure.
vasodilation, anemia, cirrhosis, shock states (results in massive vasodilation)
Vasodilation means the widening of blood vessels that results from relaxation of the muscular walls of the vessels.
Muscles in the blood vessels are the effectors that cause Vasodilation and Vasiconstriction.
Vasodilation is the widening of the blood vessels. The common symptoms are low blood pressure, dizziness, flushing, and light headedness.
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'.
Low oxygen levels cause vasodilation in systemic arterioles.High oxygen levels cause vasodilation in capillaries in the lungs.
chemicals released by the injured tissue cells and leukocytes cause the VASODILATION of the arterioles in the injured area and cause the local hyperemia to form accounting for the redness and heat.
No, it has a vasoconstricting effect.