MeSH definition : The physiological narrowing of BLOOD VESSELS by contraction of the VASCULAR SMOOTH
MUSCLE.;
MeSH synonym : vasoconstrictions;
MeSH annotation : coord IM with specific vessel or specific organ /blood supply; the physiol process;
do not confuse with stenosis of specific blood vessels ( specific blood vessel (IM)
CONSTRICTION, PATHOLOGIC (NIM));
Wikipedia link : https://en.wikipedia.org/wiki/Vasoconstriction;