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Webster 1913 Edition
Vasomotor
Vasˊo-mo′tor
,Adj.
[L.
vas
a vessel + motor
that which moves fr. movere
to move.] (Physiol.)
Causing movement in the walls of vessels;
as, the
vasomotor
mechanisms; the vasomotor
nerves, a system of nerves distributed over the muscular coats of the blood vessels.Vasomotor center
, the chief dominating or general center which supplies all the unstriped muscles of the arterial system with motor nerves, situated in a part of the medulla oblongata; a center of reflex action by the working of which afferent impulses are changed into efferent, – vasomotor impulses leading either to dilation or constriction of the blood vessels.