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Characteristics of thermo-mechanosensitive receptors in human and animal skin

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With local thermal and mechanical stimulation in precise experiments on cats, a study was made of changes in impulse activity of afferent fibers of spinal dorsal roots connected with skin thermoreceptors in the extremities. Psychophysiological studies were done on the characteristics of thermosensitive points of the skin of the upper extremities of man. According to changes in average frequency of impulse activity, dynamic sensitivity, latent period of reaction, and thresholds of temperature and mechanical sensitivity, three groups of heat receptors and two of cold receptors were identified in the skin of the cat. All heat and cold receptors are mechanosensitive. According to quality and intensity of perceptions elicited by thermal stimulation and thresholds of sensitivity to mechanical and temperature effects, thermosensitive points in human skin can also be divided into three groups of heat receptors and two groups of cold receptors. All heat and cold points are mechanosensitive. An analogy between the skin thermoreceptors of animals and man is suggested.

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Additional information

Institute of Physiology, Kazakhstan, Academy of Sciences. Translated from Neirofiziologiya, Vol. 24, No. 3, pp. 314–322, May–June, 1992.

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Kleinbok, I., Gabdullina, E. Characteristics of thermo-mechanosensitive receptors in human and animal skin. Neurophysiology 24, 203–208 (1992). https://doi.org/10.1007/BF01057168

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  • Latent Period
  • Temperature Effect
  • Human Skin
  • Dorsal Root
  • Mechanical Stimulation