Potato Leaf ts (SEM)
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Potato Leaf ts (SEM)
Potato leaf. Coloured scanning electron micrograph (SEM) of a transverse section of a potato leaf (Solanum tuberosum). The upper and lower surfaces of the leaf are covered in a single layer of closely packed cells called the epidermis. Below the upper epidermis is a layer of palisade parenchyma cells containing many chloroplasts. Beneath this layer is the spongy mesophyll which has large intracellular spaces for gaseous exchange. At the bottom is the lower epidermis, a single layer of closely packed cells where the stomata control gas exchange within the spongy mesophyll. Magnification x1260 (x262 at 10cm wide)
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Media ID 9213359
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
Hair Hairs Mesophyll Plants Potato Secretory Solanum Tuberosum Tissue Transverse Section Trichome Trichomes Sectioned
EDITORS COMMENTS
This print showcases the intricate details of a potato leaf, captured using a scanning electron microscope (SEM). The image reveals a transverse section of the leaf, providing a glimpse into its complex cellular structure. The upper and lower surfaces of the leaf are covered by an epidermis, consisting of closely packed cells that form a protective layer. Just below this lies the palisade parenchyma, which contains numerous chloroplasts responsible for photosynthesis. Further down is the spongy mesophyll, characterized by its large intracellular spaces facilitating gaseous exchange. At the bottom of the leaf is another layer of tightly packed cells called the lower epidermis. It is here that stomata can be found, controlling gas exchange within the spongy mesophyll. The magnification level used to capture this stunning image was x1260 (x262 at 10cm wide), allowing us to appreciate even minute structures such as trichomes - tiny hair-like projections on leaves that serve various functions including secretion and defense. This print not only highlights the beauty and complexity present in nature but also serves as a valuable resource for botanists and plant enthusiasts alike.
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