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Stomata of Lavendula Dentata, SEM
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Stomata of Lavendula Dentata, SEM
Open and closed stomata on a lavender leaf (Lavendula dentata), coloured scanning electron micrograph (SEM). Stomata are pores that open and close in order to regulate gas exchange in a plant. A stoma comprises a pore, the aperture of which is controlled by a pair of specialized cells known as guard cells. These cells swell to close the pore and shrink to open it. Stomata are found mainly on the underside of leaves. The top left stoma is closed and the bottom right is open. Magnification x2000 at an image size of 10cm wide
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Media ID 9195565
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
French Lavender Gas Exchange Guard Cells Lavandula Dentata Plant Anatomy Pore Respiration Respiratory Stoma Stomata Transpiration
EDITORS COMMENTS
This print showcases the intricate world of plant anatomy, specifically focusing on the stomata of Lavendula Dentata. The scanning electron micrograph (SEM) reveals both open and closed stomata on a lavender leaf, offering a glimpse into the fascinating process of gas exchange in plants. Stomata are vital pores that play a crucial role in regulating respiration within plants. Comprising a pore controlled by specialized cells called guard cells, these tiny structures have the remarkable ability to expand and contract. When they swell, they close the pore; when they shrink, it opens. In this image, magnified 2000 times with an impressive width of 10cm, we witness the beauty and complexity of these stomatal mechanisms. Located primarily on the underside of leaves for optimal efficiency, each stoma serves as a gateway for gases to enter or exit the plant. The top left stoma captured in this photograph is tightly shut while its counterpart at the bottom right stands wide open – showcasing nature's exquisite balance between openness and closure. This delicate equilibrium ensures that plants can regulate their transpiration rates effectively while still allowing for essential gas exchange necessary for photosynthesis. As we explore this mesmerizing botanical realm through SEM technology, we gain deeper insights into plant biology and appreciate how even seemingly small elements like stomata contribute significantly to our natural world's harmony.
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