Index of English words, starting with "va"

(1) - Vasoconstrictor (n.) A substance which causes constriction of the blood vessels. Such substances are used in medicine to raise blood pressure.
(2) - Vasoconstrictor (a.) 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.

(1) - Vasodilator (a.) Causing dilation or relaxation of the blood vessels; as, the vasodilator nerves, stimulation of which causes dilation of the blood vessels to which they go. These nerves are also called vaso-inhibitory, and vasohypotonic nerves, since their stimulation causes relaxation and rest.