Fig. 5From: Development of triptolide-nanoemulsion gels for percutaneous administration: physicochemical, transport, pharmacokinetic and pharmacodynamic characteristicsHistopathological microscopic slides and microstructure of the rat skin. Skin samples with normal control (a), TPL-gels-treated (b), TPL-nanoemulsions-treated (c), TPL-nanoemulsion gels-treated (d) obtained via HE dyeing method and SEM (×1000 magnification)Back to article page