Is It Vasodilation or Vasodilatation?

As nouns the difference between vasodilation and vasodilatation. is that vasodilation is dilation of the blood vessels while vasodilatation is dilatation of a blood vessel.

Is vasodilation same as vasodilatation?

While vasodilation is the widening of your blood vessels, vasoconstriction is the narrowing of blood vessels. It's due to a contraction of muscles in the blood vessels. When vasoconstriction occurs, the blood flow to some of your body's tissues becomes restricted. Your blood pressure also rises.

Is acetylcholine a vasoconstrictor or vasodilator?

Acetylcholine, believed to be an endothelial-dependent vasodilator, acted as a potent vasoconstrictor when it was infused into the diseased coronary arteries of eight patients with advanced stenoses.