Vasodilation
INCREASE IN THE INTERNAL DIAMETER OF BLOOD VESSELS DUE TO RELAXATION OF SMOOTH MUSCLE CELLS
Vasodilator; Vasodilatation; Vasodilators; Vasodialation; Vasomotor system; Vasomotor fibers; Vasodilator agents; Vasodilative; Peripheral vasodilators; Vasodilatory; Vaso-dilation; Vasorelaxation; Vasodilating medications; Vasoinhibitory; Vasodilate; Vasolidation; Vasorelaxant; Vasorelaxants; Coronary vasodilator; Dilation of blood vessels; Vasodialator
Vasodilation is the widening of blood vessels. It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins, large arteries, and smaller arterioles.