Fig. 3From: Multimodal label-free imaging of living dermal equivalents including dermal papilla cellsSuperimposed two-photon excited autofluorescence of cells (red), and the SHG of collagen (green) images of dermal equivalents with DPs or with FBs on days 0, 3, 7, 10 and 14 after equivalent formation. The image size is 205 × 205 μm (1024 × 1024 pixels). Scale bars 50 μmBack to article page