50.0 MB (2.7 MB compressed)
4825 x 3619 pixels
40.9 x 30.7 cm ⏐ 16.1 x 12.1 in (300dpi)
MARTIN OEGGERLI / SCIENCE PHOTO LIBRARY MARTIN OEGGERLI / SCIENCE PHOTO LIBRARY
Leaf pores. Coloured scanning electron microscope (SEM) of open stomata on the surface of a holly (Ilex sp.) leaf. Stomata are pores that regulate the exchange of gases and water vapour into and out of a plant.
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