Which of the following best describes the function of the stratum lucidum?

Study for the KMK Mnemonics Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

The stratum lucidum is a thin, transparent layer of skin found only in certain areas of the body, primarily on the palms of the hands and the soles of the feet. Its primary function is to provide an additional layer of protection. This layer is composed of dead keratinized cells that help to reduce friction and shear forces between the outer epidermal layers and more sensitive underlying structures. The absence of vascularization in this layer means it serves chiefly as a barrier, providing both physical protection against environmental damage and aiding in the prevention of water loss from the underlying layers.

While other layers of the skin have roles in secretion, diffusion, or absorption, the stratum lucidum is specifically designed to enhance the protective capacity of the skin, especially in areas exposed to wear and tear.

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