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I-57 (5) EM of hemidesmosomes. This EM was taken from the epidermis (top) ­ dermis (bottom) junction of the skin. Intermediate filaments of keratinocycte insert into hemidesmosomes, which in turn are anchored to basal lamina and to the reticular lamina. Collagen fibrils are seen in cross- and longitudinal-sections in the reticular lamina.