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Scanning electron microscope (20 keV, ×5000) images showing the morphology of the cuticle scales of different body hairs (scalp region, eyebrow, underarm, pubic, and leg areas) donated by the same person. Scale bar: 20 µm. Descriptive statistics of scale layer differences (mean value of ca. ten measurements on a single strand of hair) are presented in the table and spider graph.
