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lüll A multi-scale view of skin thermal pain: from nociception to pain sensation Zhu YJ; Lu TJPhilos Trans A Math Phys Eng Sci 2010[Feb]; 368 (1912): 521-59All biological bodies live in a thermal environment, including the human body, where skin is the interface with a protecting function. When the temperature is out of the normal physiological range, skin fails to protect, and the pain sensation is evoked. Furthermore, in medicine, with advances in laser, microwave and similar technologies, various thermal therapeutic methods have been widely used to cure disease/injury involving skin tissue. However, the corresponding problem of pain relief has limited further application and development of these thermal treatments. Skin thermal pain is induced through both direct (i.e. an increase/decrease in temperature) and indirect (e.g. thermomechanical and thermochemical) ways, and is governed by complicated thermomechanical-chemical-neurophysiological responses. However, a complete understanding of the underlying mechanisms is still far from clear. In this article, starting from an engineering perspective, we aim to recast the biological behaviour of skin in engineering system parlance. Then, by coupling the concepts of engineering with established methods in neuroscience, we attempt to establish multi-scale modelling of skin thermal pain through ion channel to pain sensation. The model takes into account skin morphological plausibility, the thermomechanical response of skin tissue and the biophysical and neurological mechanisms of pain sensation.|*Models, Neurological[MESH]|*Pain Threshold[MESH]|*Skin Temperature[MESH]|Animals[MESH]|Computer Simulation[MESH]|Hot Temperature/*adverse effects[MESH]|Humans[MESH]|Pain/*etiology/*physiopathology[MESH]|Skin/innervation/*physiopathology[MESH] |