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Banana (Musa sp.) fruit stalk, light micrograph
Bright field light micrograph of a cross-section through the fruit stalk of a banana. As usual in monocotyledonous plants, the vascular bundles are distributed in the parenchyma. By staining with safranin and aniline blue, lignified cell walls show a red staining, non-lignified cell walls a blue staining. Magnification: x150 at a print width of 10 centimetres., by GERD GUENTHER/SCIENCE PHOTO LIBRARY
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