This section is from the book "Materia Medica: Pharmacology: Therapeutics Prescription Writing For Students and Practitioners", by Walter A. Bastedo. Also available from Amazon: Materia Medica: Pharmacology: Therapeutics: Prescription Writing for Students and Practitioners.
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.