DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Goosefoot root. Light micrograph of a section through the root of a goosefoot (Cheopodium sp.) plant. Xylem cells, which transport water around the plant are red. Phloem cells, which transport carbohydrates, are blue. The outer layer is cork cambium (brown). Magnification: x14 when printed at 10 centimetres wide.
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