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Representation of TiO2 particle distribution in different layers of minipig abdominal skin (longitudinal slice of skin) exposed to submicron TiO2 showing the results from the cross section analysis of each skin layer. Numbers in parentheses are estimates of the numbers of TiO2 particles observed in each layer. Abbreviations are: SC, stratum corneum; SS, stratum spinosum; SG, stratum granulosum; and SB, stratum basale.
