DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) showing human skin scales from a mild case of dandruff. Dead skin is shed continually from all over the body surface and scales such as these are a constituent of house dust. They are the staple food of dust mites. Magnification: x160 at 8x10 inch size.
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