nvasoconstrictorany 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
Webster's Revised Unabridged Dictionary
aVasoconstrictor(Physiol) Causing constriction of the blood vessels; as, the vasoconstrictor nerves, stimulation of which causes constriction of the blood vessels to which they go. These nerves are also called vasohypertonic.
Century Dictionary and Cyclopedia
vasoconstrictorServing to constrict vessels when stimulated, as certain nerves: opposed to vasodilator. Both are included under vasomotor.
nvasoconstrictorThat which causes contraction of the blood-vessels: applied to nerves and to certain drugs.
The tone of the vasoconstrictor center controls the distribution of blood throughout the body.
"Arteriosclerosis and Hypertension:" by Louis Marshall Warfield
IntroductionLocal anesthetics with vasoconstrictors are frequently used drugs.