[attrib.]causing or relating to the constriction or dilatation of blood vessels 血管舒缩的;影响血管舒缩的 ■denoting a region in the medulla of the brain (the vasomotor centre) which regulates blood pressure by controlling reflex alterations in the heart rate and the diameter of the blood vessels, in response to stimuli from receptors in the circulatory system or from other parts of the brain 与脑髓区有关的