Dog claw, coloured scanning electron micrograph (SEM). Dog's claws are made from the protein keratin. Keratin is a strong fibrous protein that has structural and protective functions. Keratin is also found in hair, nails, horns, wool and feathers. In this image, showing a small area of a dog claw, the keratin layers can be seen. Magnification: x300 when printed at 10cm wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Anne Weston, EM STP, the Francis Crick Institute |
Bildgröße: | 5328 px × 3994 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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