Fig. 3From: Initial damage produced by a single 15-Gy x-ray irradiation to the rat calvaria skinMaturation index of collagen fibers (a) and representative images of the dermis layer of the skin obtained from Picrosirius red staining under polarized light for each time point evaluated after x-ray irradiation. Control (b), day 4 (c), day 9 (d), day 14 (e), and day 25 (f). Type I collagen fibers in red (arrowhead) and type III collagen fibers in green (arrows)Back to article page