vasoconstrictor

Something, such as a nerve or drug, that causes vasoconstriction.

Serving to constrict vessels when stimulated, as certain nerves: opposed to vasodilator. Both are included under vasomotor.

That which causes contraction of the blood-vessels: applied to nerves and to certain drugs.

Causing constriction of the blood vessels; These nerves are also called vasohypertonic.

A substance which causes constriction of the blood vessels. Such substances are used in medicine to raise abnormally low blood pressure.

Any substance that causes vasoconstriction

any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure