VASOMOTOR
vasomotor
(adjective) relating to the nerves and muscles that cause the blood vessels to constrict or dilate
Source: WordNet® 3.1
Etymology
Adjective
vasomotor (not comparable)
Of or pertaining to the regulation of the diameter of blood vessels.
Source: Wiktionary
Vas`o*mo"tor, a. Etym: [L. vas a vessel + motor that which moves fr.
movere to move.] (Physiol.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition