STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Horse mane hair. Coloured scanning electron micrograph (SEM) of the base of a hair from the mane of a Lipizzan horse (Equus caballus). The smaller hairs protruding from the main shaft anchor this extremely long hair in its root. Magnification: x125 when printed at 10 centimetres tall.
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