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Thin skin, -low & med mag.
Thin skin differs from thick mainly by fewer cell layers of st. corneum. Also, st. lucidum is absent, st. granulosum is reduced & discontinuous, and st. spinosum is reduced.
Other cells: Melanocytes are shrunken, clear, melanin-producing cells found mainly in st. basale. Langerhans cells are antigen-presenting cells, also clear, but found in all layers; they are not easily distinguished from melanocytes.