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from article Radian measure
Diagrams showing radian measurement. Symbols are explained in the text.
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from article Cellulose
Microscopic view of cotton fibers, which contain 98% cellulose. (Credit: Martin Kreutz/agefotostock)
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from article Cellulose
Positioning of β-d-glucopyranosyl units in cellulose structure.
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from article Cellulose
Cellulose is the principal structural component of plants. In particular, cellulose in the plant cell wall is found mainly in the form of threadlike fibers, composed of smaller fibrils (microfibrils). (Copyright © McGraw-Hill Education)
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from article Cantaloupe
Cantaloupes (Cucumis melo var. reticulatus). (Photo by Scott Bauer, Agricultural Research Service, United States Department of Agriculture)
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from article Epidermis (plant)
Plant epidermis in surface view. (a) Iris leaf showing kidney-shaped guard cells. (b) Zea leaf showing dumbbell-shaped guard cells; two subsidiary cells are associated with each stoma. (c) Sedum leaf; each stoma is associated with three or four…
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from article Epidermis (plant)
Specialized epidermal cells in transections of leaves. (a) Leaf of Ficus elastica, each side having approximately three layers of cells in the multiple epidermis; lithocyst containing cystolith whose calcium deposits were removed during…
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from article Epidermis (plant)
Transection of leaf of Andropogon showing large bulliform cells in the upper epidermis.
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from article Epidermis (plant)
Trichomes. (a) Uniseriate hairs of Gynura. (b) Unicellular anchor hair of Mentzelia. (c) Stellate hair of Solanum. (d) Branched (candelabra) hair of Platanus. (e) Peltate scale of Shepherdia.
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from article Epidermis (plant)
Trichomes. (a) Unicellular and glandular (colleters) hairs of the geranium (Pelargonium). (b) Unicellular-hooked and uniseriate, club-shaped hairs of the bean (Phaseolus). (c) Uniseriate and glandular (colleters) hairs of the tomato (Lycopersicon).
