Onion skin. Polarised light micrograph of the epidermis (skin) of an onion (Allium cepa), showing calcium oxalate microcrystals (coloured rectangles)

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Onion skin. Polarised light micrograph of the epidermis (skin) of an onion (Allium cepa), showing calcium oxalate microcrystals (coloured rectangles) in the cells. Magnification: x400 when printed 10 centimetres wide.

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Size: 5139px × 3404px
Photo credit: © MAREK MIS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, allium, angiosperm, angiosperms, biological, biology, botanical, botany, calcium, cell, cells, cepa, crystal, crystalline, crystals, epidermal, epidermis, flora, light, microcrystal, microcrystals, micrograph, microscope, microscopy, nature, onion, oxalate, photomicrography, plant, plants, polarised, skin, tissue