33.6 MB (2.7 MB compressed)
3360 x 3500 pixels
28.4 x 29.7 cm ⏐ 11.2 x 11.7 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Eyelash mite tails protruding from a hair follicle, coloured scanning electron micrograph (SEM). The hair shaft (upper frame) is also seen. Eyelash mites (Demodex folliculorum) are harmless parasites that infest follicles (depressions in the skin which contain the roots of hairs) around the eyelids, nose and in the ear canals of humans. One follicle may contain up to 25 growing mites. They feed on oily secretions from the skin's sebaceous glands, as well as dead skin cells. Infestation is usually symptomless, but in some individuals, allergic reactions to the mites can cause hair loss and acne. Magnification: x300 when printed 10 centimetres wide.
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