22.1 MB (1.6 MB compressed)
3201 x 2412 pixels
27.2 x 20.3 cm ⏐ 10.7 x 8.0 in (300dpi)
EDWARD KINSMAN / SCIENCE PHOTO LIBRARY EDWARD KINSMAN / SCIENCE PHOTO LIBRARY
Crack in human tooth enamel. Colored scanning electron micrograph (SEM). The enamel is the outer covering of the crown (visible part) of the tooth. It is the hardest substance in the human body.
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