Japanese sago palm leaf, light micrograph

Japanese sago palm leaf, light micrograph

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Credit: DR KEITH WHEELER/SCIENCE PHOTO LIBRARY

Caption: Japanese sago palm leaf. Light micrograph of a transverse section through the leaf (pinna) of a Japanese sago palm, cycad, (Cycas revoluta). The structure of the leaf has xerophytic (drought plants) characteristics. The upper and lower epidermis of the leaf has a layer of thick sclerenchyma fibres (red), which give support to the leaf and cut down water loss. The midrib has three layers of epidermal sclerenchyma cells, on both sides for support and a central vascular bundle made up of phloem sieve cells (blue) and xylem tracheids (red). Magnification: x14 when printed 10 centimetres wide.

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Keywords: asian, biological, biology, botanical, botany, cell, cell biology, cut out, cut outs, cut-out, cut-outs, cutout, cutouts, cycad, cycas revoluta, cytology, epidermis, fibres, flora, gymnosperm, gymnosperms, japanese sago palm, leaf, light micrograph, light microscope, lm, midrib, nature, oriental, phloem sieve cells, pinna, plant, plant structure, sclerenchyma fibre, section, sectioned, support, supportive, tracheid, tracheids, vascular bundle, white background, xerophyte, xerophytic characteristics, xylem

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