vasodilator


From The Collaborative International Dictionary of English v.0.48:

Vasodilator \Vas`o*di*lat"or\, n. [L. vas a vessel + dilator.]
   (Medicine & Physiology)
   A substance which causes dilation of blood vessels.
   [PJC]
.

From The Collaborative International Dictionary of English v.0.48:

Vasodilator \Vas`o*di*lat"or\, a. [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.
   [1913 Webster]
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