Figure 8: Photomicrographs of skin from wound areas in rats in all groups after the 28.day oral toxicity study. Red arrow - stratum corneum, white arrow - stratum granulosum, yellow arrow - stratum spinosum, black arrow - stratum basale. Groups I (a), II (b), III (c), IV (d), V (e), and VI (f) (MT, ×400)