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Human hairs, SEM
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Human hairs, SEM
Human hairs. Coloured scanning electron micrograph (SEM) of shafts of hair from a human head. The outer layer of a hair shaft (the cuticle) has overlapping scales of keratin. The scales are thought to be important in preventing matting of the hair. Hair is made up of the protein keratin, which is provided by the living root embedded in the skin. Hair grows from this root. As the bulb produces more keratin, a hair shaft forms and is pushed outwards from the skin. Magnification: x680 when printed 10cm high
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6454785
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Cuticle Dead Hair Hair Shaft Hairs Keratin Keratinised Scale Scales Scalp Shaft Shafts Tissue False Coloured
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