Section of a dog claw showing structure

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Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

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Section of a dog claw showing structure. University of Edinburgh. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.

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Colour-enhanced scanning electron micrograph of a longitudinal section of a dog claw. The claw is made of keratin and its internal structure can be seen here.

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