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Photographic gallery.  Thousands of particles under the microscope.

Stomata

Stomata are pores with special guard cells in leaf surfaces that are the path for air exchange. They are a sophisticated structure that responds to environmental conditions such as drought. The veins and stomata tend to be thicker parts of the leaf and so are often found in the smoke of wildfires along with the phytoliths from the leaves.

Stomata Under the Microscope Stomata Under the Microscope Stomata Under the Microscope Stomata Under the Microscope Sand Fire Particles Sand Fire Particles Sand Fire Particles Sand Fire Particles Sand Fire Particles