Sweat Gland Awakening on Physical Training: A Skin Capacitance Mapping Observation
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چکیده
In normal conditions, the epidermis over a large part of the body produces a tidy Stratum Corneum (SC) composed of 15-20 layers or so of corneocytes with a total thickness of about 6-20 μm. This part of the epidermis is continuously renewed from the granular layer, and the outermost corneocytes gradually desquamate from the surface [1]. Corneocytes are embedded in a hydrophobic domain formed by lipid bilayers. Such combined SC structure guarantees its water holding capacity, and it impedes the trans-SC water flux, thus preventing dessication of the body. Both the SC structure and the Transepidermal Water Loss (TEWL) result from dynamic processes that are possibly altered in physiological conditions and diseases. Based on the likely relationship between the SC moisturization and the macroscopic aspect of the skin, a series of methods assessing the SC hydration and the sweat gland production were developed over time [2,3].
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