African mahogany stem, light micrograph

African mahogany stem, light micrograph

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Credit: DR KEITH WHEELER/SCIENCE PHOTO LIBRARY

Caption: African mahogany stem. Polarised light micrograph of a section through the stem of an African mahogany (Khaya sp.) tree. The multicoloured cells are fibres, and fibre tracheids, which carry water. The horizontal files are medullary rays, which carry water, minerals and food to the outer and inner tissues. There are also sparse xylem vessels (dark brown). Magnification: x32, when printed 10 centimetres wide.

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Keywords: african mahogany, angiosperm, angiosperms, biological, biology, botanical, botany, cell, cell biology, cells, close-up, cytological, cytology, detail, dicot, dicots, dicotyledon, dicotyledons, fibre, fibre tracheid, fibres, histological, histology, khaya sp., light micrograph, light microscope, medullary ray, microscopy, plant, plants, polarised light, rays, section, sectioned, stain, stained, stem, structural, structure, structures, tissue, tracheids, tree, vessels, water transport, xylem vessel

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