CMEABG - UCBL1, ISM / SCIENCE PHOTO LIBRARY CMEABG - UCBL1, ISM / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of the shaft of a human hair. The hair cuticle forms overlapping plates or scales which reduce hair matting. Hair is made of a protein called keratin. Magnification: x1600 when printed at 10 centimetres wide.
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