50.3 MB (50.0 MB compressed)
4578 x 3839 pixels
38.9 x 32.5 cm ⏐ 15.3 x 12.8 in (300dpi)
PETER BOND, EM CENTRE, UNIVERSITY OF PLYMOUTH / SCIENCE PHOTO LIBRARY PETER BOND, EM CENTRE, UNIVERSITY OF PLYMOUTH / SCIENCE PHOTO LIBRARY
Birch leaf. Coloured scanning electron micrograph (SEM) of a freeze-fracture of a leaf from a birch tree (Betula sp.). The fracture has passed through the leaf, revealing the internal cellular structure, including the palisade mesophyll and spongy mesophyll layers. Magnification: x380 when printed at 10 centimetres across.
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