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Figure 1 Structure of hair bulb: (a) dermal papilla, (b) matrix, (c) melanocytes, (d) medulla, (e) cortex of hair, (f) area of hair cuticle, (g) Huxley's layer (prominent keratohyalin granules), (h) Henle's layer (one cell layer), (i) inner root sheath composed of cuticle, Huxley's and Henle's layers, (j) outer root sheath and (k) glassy basement membrane.
