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The cells producing the pigment responsible for skin color are called what? Melanocytes Cells of the skin's epidermis that participate in the immune response to microbes are called what? Langerhans cells The only layer of the epidermis that contains stem cells capable of continued cell division is what? Stratum Basale The clear layer of the epidermis that is only found in the thick skin located in areas such as the fingertips, palms and soles is called what? Stratum Lucidum What are the pigments that contribute to the color of an individual's skin?
The skin is an immunologic organ. There are an estimated 20 billion T cells in human skin â far greater than the number of T cells in the blood â suggesting that immune defense in the skin is a high priority. The interaction among skin microorganisms and the immune system is likely not adversarial most of the time.Interestingly, the incidence of inflammatory skin conditions like atopic dermatitis in children has about doubled in the last thirty years, in parallel with the decreased exposure to microorganisms in early life.he interaction among skin microorganisms and the immune system is likely not adversarial most of the time. Interestingly, the incidence of inflammatory skin conditions like atopic dermatitis in children has about doubled in the last thirty years, in parallel with the decreased exposure to microorganisms in early life.