Definify.com

Webster 1913 Edition

Adj.

[L.

vas

a vessel +

dilator

(Physiol.)

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.