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2. Kürten, L., Schmidt, U.: Z. Säugetierk.47, 193 (1982)

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3. For anatomy of nose see [1]

4. A water-circulated thermode with a tip diameter of 3 mm that was in close contact with the skin surface was connected with seven thermostats set at 10, 15, 20, 25, 30, 35 and 40 °C. Cooling and warming steps of 5 °C were applied with constant phases between the steps so that the receptor could adapt to the single temperatures. The same method has been used before by several authors, cf. Duclaux, R., Schäfer, K., Hensel, H.: J. Neurophysiol.43, 1571 (1980)

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5. The maximal value read at a spike counter (set at 0.5 s) during a dynamic response was considered as the maximal dynamic response (in Hz).

6. For references see: Hensel, H.: Thermoreceptors and temperature regulation. London: Academic Press 1981

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7. Duclaux, R., Kenshalo, D.R.: J. Neurophysiol.43, 1 (1980); Hensel, H.: Pflügers Arch.313, 150 (1969); Hensel, H., Iggo, A.: ibid.329, 1 (1971)

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8. Schäfer, K., Braun, H.A., Hensel, H., in: Thermal Physiology (Hales, J.R.S., ed.). New York: Raven 1984

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9. De Cock Buning, et al.: Cell. Mol. Neurobiol.1, 69, 271 (1981); Hensel, H., Schäfer, K.: Pflügers Arch.392, 95 (1981)

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