Morphology HEMATOXYLIN PHLOXIN SAFFRON NORMAL HUMAN SKIN 3D SKIN BILAYERED EQUIVALENT 3D SKIN THREELAYERED EQUIVALENT MARTIUS SCARLET BLUE NORMAL HUMAN SKIN 3D SKIN BILAYERED EQUIVALENT 3D SKIN THREELAYERED EQUIVALENT MASSON'S TRICHROME NORMAL HUMAN SKIN 3D SKIN BILAYERED EQUIVALENT 3D SKIN THREELAYERED EQUIVALENT SIRIUS RED NORMAL HUMAN SKIN 3D SKIN BILAYERED EQUIVALENT 3D SKIN THREELAYERED EQUIVALENT