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50.0 MB (5.0 MB compressed)
4618 x 3783 pixels
39.1 x 32.0 cm ⏐ 15.4 x 12.6 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Ear wax secretion. Coloured scanning electron micrograph (SEM) of ear wax, or cerumen, being secreted by a gland in the ear canal. Ear wax helps to clean and lubricate the ear canal and prevent the entry of bacteria, water and foreign objects. Magnification: x4000 when printed at 10 centimetres wide.
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