Abstract
The application of electrolytes of low concentration to the palm causes hydration of the epidermis with swelling of the skin, closure of the sweat gland pores, and reduction of skin potential level (SPL). Solutions of high concentration are known not to produce poral closure. Previous reports of increases in SPL with increased concentration of electrolyte did not control for possible effects of hydration associated with differences in concentration. The experiments reported here compared the effects of varying concentration with and without holding hydration constant. The results indicated that the effect of concentration on both positive and negative skin potential response amplitude can be attributed to hydration, whereas the effect on SPL is not influenced by hydration. The effect of concentration on SPL was the same whether measured during rest or during periods of considerable sweat gland activity. This last finding is difficult to interpret in terms of the traditional assumption that the membrane responsible for the concentration-potential effect lies deep in the epidermis, and it was suggested that the membrane may be located in the upper sweat gland duct.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
