SCIMAT / SCIENCE PHOTO LIBRARY SCIMAT / SCIENCE PHOTO LIBRARY
Colour-enhanced Environmental Scanning Electron Micrograph (ESEM) of a corn leaf in its hydrated state, showing leaf trichomes and stomata, the openings through which the exchange of gasses (oxygen and carbon dioxide) takes place. Image width: 177 micrometers. Magnification: 565x if the image is printed 10 cm wide.
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