Fig. 7
From: Melatonin promotes the development of the secondary hair follicles by regulating circMPP5
Hair follicle density, activity and ratio of secondary:primary hair follicles of MT-treated and control goats recorded from birth to 18 months of age. A Primary hair follicle density. B Secondary hair follicle density. C Secondary hair follicle total number. D Secondary hair follicle density index. E Mature or active hair follicle density. F The ratio (S:P) of secondary hair follicles to primary hair follicles.Values represent means ± SD. Different symbols (*, **) above the bars indicate level of significance of differences (MT-treated vs. controls, *P < 0.05, **P < 0.01)