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Stoma on sepal of primula flower
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Stoma on sepal of primula flower
False-colour scanning electron micrograph of a stoma, or pore, on a sepal of the primula flower, Primula malacoides. The stoma appears to be open, but is in fact closed, its inner walls tightly pressed together. Stomata open & close to allow the exchange of gases between plant & atmosphere. Each stoma consists of two " guard cells" which control the movement of the pore. The changing shape of the pore is due to the amount of water present in the guard cells. Stomata are most abundant in leaves, where the intake of carbon dioxide through these pores is essential during photosynthesis. Magnification: x500 at 6x4.5cm size. Yellow & green full colouring. Reference: MICROCOSMOS, figure 4.12, page 73
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Media ID 6290191
© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
Jbu Colouring Primula Sepal Stoma
EDITORS COMMENTS
This stunning print captures the intricate beauty of a stoma on the sepal of a primula flower. In this false-color scanning electron micrograph, we can observe the delicate details of the stoma, or pore, which appears to be open but is actually closed with its inner walls tightly pressed together. Stomata play a crucial role in facilitating gas exchange between plants and the atmosphere. Each stoma consists of two "guard cells" that control the movement of the pore. The changing shape of the pore is influenced by the amount of water present in these guard cells. While stomata are most abundant in leaves, where they enable vital carbon dioxide intake during photosynthesis, this image showcases their presence on a sepal. The magnification level at x500 allows us to appreciate every minute feature within this botanical marvel. The yellow and green full coloring adds vibrancy to an already captivating composition. This photograph serves as a reminder of nature's extraordinary complexity and highlights how even seemingly small structures like stomata contribute significantly to plant life processes. It is yet another testament to Science Photo Library's commitment to capturing awe-inspiring moments from our natural world for educational purposes.
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