In which layer of the skin is the stratum lucidum found?

The stratum lucidum is a specific layer of the epidermis, which is the outermost layer of the skin. This layer is typically found in thick skin areas, such as the palms of the hands and the soles of the feet. The stratum lucidum serves as an additional barrier and provides a layer of protection to underlying tissues, acting as a transition between the living cells of the deeper epidermal layers and the outermost layer, which is composed of dead keratinized cells.

The dermis lies beneath the epidermis and contains connective tissues, blood vessels, and nerve endings, but it does not include the stratum lucidum. The hypodermis, also known as the subcutaneous tissue, is further down and is primarily composed of fat and connective tissue, providing insulation and cushioning to the body, rather than containing specific epidermal layers. Thus, the stratum lucidum's classification within the epidermis is essential for understanding skin anatomy and its various functions.