24. Contrast the epidermavdermat junction in thick skin with that of thin skin. Specifically note the structure of the epideemat/dermat jumction in thick vis. thin skin. W there a difference in the number of dermat papillae? What function do you think such diflerences serve? 5. Why is it important that melanin is present in its highest concentration in the heratinocytes at or near the basal layer of cells? (hint Were cells that were undergoing cell division observed in this layer?) 3. a. What is the advantage of having tactile (Meissner) corpuscles located near the surface of the skin? .