Fern (Pteridium aquilium) root

Fern (Pteridium aquilium) root

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Credit: DR KEITH WHEELER/SCIENCE PHOTO LIBRARY

Caption: Fern (Pteridium aquilium) root. Light micrograph of a section through a root from a bracken plant. Shown here are the parenchyma cells of the inner cortex (green-red), the outer ring of the endodermis (black-red) and inner ring of the pericycle (red). At centre is the metaxylem (large cells, green-red) and protoxylem (small cells, red). The xylem is surrounded by the phloem sieve tube cells (green). Magnification: x10 when printed 10 centimetres wide.

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Keywords: anatomical, anatomy, biological, biology, black background, botanical, botany, bracken, cell, cells, endodermal, endodermis, fern, flora, histological, histology, inner cortex, light micrograph, light microscope, metaxylem, nature, no-one, nobody, parenchyma, pericycle, phloem, plant, plants, protoxylem, pteridium aquilium, root, section, sectioned, sieve tube, tissue, tubes, vascular, wildlife, xylem

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