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Scattering intensity from the (0 1 3) reflection of α-chitin in major lateral teeth: (a) transition region between immature and maturing teeth (see Fig. 6e), (b) early mature tooth and (c) extensively worn mature tooth. The intensities in (a–c) are normalized to a common scale in order to allow for a relative comparison of the chitin content. The scale bar corresponds to 200 μm.
