Fig. 5From: Melatonin promotes the development of the secondary hair follicles by regulating circMPP5Representative photomicrographs (40 × , Sacpic staining) showing transverse sections of skin of MT-treated (MT) and control (CK) goats taken from 1 to 18 months of age. The numbers represent months of age, Scale bar = 200 μmBack to article page