[Sensitivity of skin cold receptors to noradrenaline in control and cold-adapted rats].

I. a. administration of noradrenaline (NA) activated cold receptors both in control and in cold-adapted rats. Various doses of NA induced the receptors reaction of different duration. After adaptation to cold the sensitivity of receptors to NA increased. The data obtained suggest that the sympathetic systems and the receptors sensitivity to NA play an important role in static activity of the skin cold receptors.