vasoconstricˈtor noun

A nerve or drug that causes vasoconstriction

vasoconstricˈtory adjective

vasodilatāˈtion or vasodilāˈtion noun

Expansion of a blood vessel

vasodilatāˈtory or vasodilāˈtory adjective

vasodilāˈtor noun

A nerve or drug that causes vasodilatation

vasodilāˈtory adjective

vasomōˈtor adjective

Causing constriction or expansion of blood vessels

vasopressˈin noun

A pituitary hormone (also prepared synthetically) that raises blood pressure, regulates kidney secretion, etc

vasopressˈor noun

A substance that causes a rise of blood pressure (also adjective)

vasovāˈgal adjective

Relating to the effect of the vagus nerve on blood pressure and circulation