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Rose stem, light micrograph

Rose stem, light micrograph

C003/5832

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81.0 MB (3.4 MB compressed)

4791 x 5906 pixels

40.6 x 50.0 cm ⏐ 16.0 x 19.7 in (300dpi)

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Credit

DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY

Caption

Rose stem. Light micrograph of a cross-section through the stem of a rose (Rosa sp.). The three triangular protrusions are thorns, which protect the plant from being eaten by animals. Each thorn is comprised of the outer epidermis, with a waxy outer cuticle (yellow), a woody layer (brown) and an inner mass of dense parenchyma (pink). The stem is composed of epidermis, bands of parenchyma and chlorenchyma, cortex, vascular bundles - consisting of outer fibres (yellow), phloem (red), cambium (pink) and xylem (brown and pink) - and then the central pith (white). Magnification: x14 when printed 10 centimetres wide.

Release details

Model release not available. Property release not required.

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