LM of a stoma on a Tradescantia leaf
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LM of a stoma on a Tradescantia leaf
Light micrograph of the surface of a leaf of the spider wort plant, Tradescantia, showing a single stoma (oval body, centre). Stomata are pores which provide the plant with a means of gaseous exchange between the atmosphere & the internal tissues. They are held open during the day & are closed at night to conserve water. Surrounding the stoma are two curved lip-like guard cells which control the opening & closing of the pore. The dark spots seen in some of the surrounding epidermal cells are the cell nuclei. Magnification: x400 at 35mm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9194249
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
Cell Nucleus Guard Cell Plants Stomata Light Micrograph Spider Wort Tradescantia
EDITORS COMMENTS
This print showcases the intricate details of a stoma on a Tradescantia leaf, captured through a light micrograph. The oval-shaped stoma takes center stage, serving as a vital gateway for gaseous exchange between the plant and its surroundings. During daylight hours, these pores remain open to facilitate the intake of essential gases while closing at night to conserve precious water resources. Surrounding the stoma are two gracefully curved guard cells resembling lips, which play an instrumental role in regulating the opening and closing of this microscopic pore. These guardians ensure that only necessary amounts of gases enter or exit, maintaining optimal balance within the plant's internal tissues. As we explore further into this image, dark spots become visible within some surrounding epidermal cells - these are none other than cell nuclei. They stand as tiny markers of life within each individual cell, contributing to the overall vitality and growth of this remarkable spider wort plant. With its magnification set at x400 on a 35mm scale, this nature-inspired photograph from Science Photo Library offers us an extraordinary glimpse into botany's hidden wonders. It reminds us that even in seemingly ordinary leaves lie complex mechanisms that sustain life itself – an awe-inspiring testament to nature's ingenuity and resilience.
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