From Confocal Laser Scanning Microscopy the thickness and location of different skin layers in the epidermis and upper part of the dermis can be derived. The thickness of different skin layers such of the stratum corneum, the minimum and maximum thickness of the epidermis — from top to bottom of the papillae, has been derived. I will not go into detail here. What I want to stress here is, that at a certain depth a reflecting layer of fibrous structure in the dermis can be seen in the stack of three-dimensional CLSM images (see dermal fibers in right image). The location of this layer, that we have defined as UD, is also nicely visible in the cross-sectional (x-z) view.
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