82.7 MB (7.4 MB compressed)
6600 x 4382 pixels
55.9 x 37.1 cm ⏐ 22.0 x 14.6 in (300dpi)
ANNE WESTON, EM STP, THE FRANCIS CRICK INSTITUTE / SCIENCE PHOTO LIBRARY ANNE WESTON, EM STP, THE FRANCIS CRICK INSTITUTE / SCIENCE PHOTO LIBRARY
Images not to be used by the tobacco industry.
Tooth enamel rods (formerly known as enamel prisms), coloured scanning electron micrograph (SEM). Enamel is the hardest biological tissue known in the body. It forms a very hard, thin, translucent layer of calcified tissue. Enamel is made up of hydroxyapatite crystals that are organised into tightly packed bundles known as rods or prisms. Magnification: x3200 when printed at 10cm wide.
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