Stratum lucidum is a well defined epidermal layer found under the corneum region of the skin of the palms and soles. Main function of this stratum is to help the skin handle friction and also waterproof it.
Stratum lucidum definition according to Merriam-Webster is: "a thin somewhat translucent layer of cells lying superficial to the stratum granulosum and under the corneum especially in thickened parts of the epidermis (as of the palms or the soles of the feet).
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1.Harding, C. R. (2004), The st. corneum: structure and function in health and disease. Dermatologic Therapy, 17: 6–15. doi: 10.1111/j.1396-0296.2004.04S1001.x
2.Zirra AM. The functional significance of the skin's st. lcidum. Morphol Embryol (Bucur). 1976 Jan-Mar;22(1):9-12.
License: Public domain
Author: Mikael Häggström, based on work by Wbensmith
License: CC BY-SA 3.0
Current topic in dynamic skin care: Definition and function of stratum lucidum layer