These tend to be contracted, though the extent or the significance of this effect is not known. The Cutaneous Arteries. - The arteries of the face and neck tend to dilate and cause flushing. This seems to have no appreciable effect on the general arterial pressure, and is not of importance. It is presumably from a central rather than a peripheral action.

The Veins

The effect of digitalis upon the walls of the veins is similar to that upon the arteries, though it is probably of no therapeutic significance.