Fig. 2From: Role of collagen degradation pathway in sphingomyelin synthase 2-deficient mouse skinSkin collagen fiber images prepared using scanning electron microscopy of WT (a) and SMS2-deficient (b) mice skin samples. Scale bar = 10 μm. Collagen fiber density (c). Collage fiber width (d). Data are expressed as the mean ± SD, and statistical analysis was performed with the Student’s t test (*p < 0.05)Back to article page