Human hairs, coloured scanning electron micrograph (SEM). Hairs are made up of dead tissue. The outside of the hair, the cuticle, is covered in overla

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Human hairs, coloured scanning electron micrograph (SEM). Hairs are made up of dead tissue. The outside of the hair, the cuticle, is covered in overlapping scales that protect the hair's central cortex, which is made up of the fibrous protein keratin.

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Size: 6554px × 2667px
Photo credit: © SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anatomical, anatomy, background, biological, biology, black, colored, coloured, cuticle, dead, false-coloured, hair, keratin, multiple, sem, shaft, single, sscale, strand