vasomotor

(vaz-o-mo'tor) [L. vas, ve el, motor, mover.] Causing dilatation or constriction of the blood-ve els, noting the nerves which have this action, v. catarrh', hay-fever, v. ep'Uepsy, epilepsy preceded or accompanied by vasomotor changes in the cutaneous ve els, v. paral'ysis, vasoparesis, v. spasm, spasmodic contraction of the smaller arteries.