(Bulb) Hair bulb; (epi) epidermis; (mat) matrix; (ORS) outer root sheath
(Bulb) Hair bulb; (epi) epidermis; (mat) matrix; (ORS) outer root sheath. at approximately P10 in the hair matrix and ORS, and peaks in late anagen (Hebert et al. 1994). By in situ hybridization, we find that FGF5 is usually up-regulated in a subset of hair follicles at P7 in mRNA is normally expressed during anagen…