50.0 MB (1.8 MB compressed)
4507 x 3877 pixels
38.1 x 32.8 cm ⏐ 15.0 x 12.9 in (300dpi)
EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY
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Yellow chamomile pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a yellow chamomile (Cota tinctoria) flower, showing their highly sculpted outer wall (exine), which may assist in their dispersal. Pollen grains are the male sex cells of a flowering plant. Their characteristic surface is used by botanists to recognise and classify plants. Magnification: x1870 when printed at 10 centimetres wide.
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