Definitions for: Vasomotor

[adj] relating to the nerves and muscles that cause the blood vessels to constrict or dilate

Webster (1913) Definition: Vas`o*mo"tor, a. [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.

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