Carob tree (Ceratonia siliqua) leaf surface, coloured scanning electron micrograph (SEM). The blue/green structures are stomata (leaf pores), the site of gaseous exchange in a plant. The opening and closing of the stomata is controlled by the semi-circular guard cells, which swell and become turgid to close the openings. Magnification: x360 when printed at 10 centimetres wide.

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Creative#:

TOP06665863

Source:

達志影像

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RM

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須由TPG 完整授權

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NO

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NO

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No

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