FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Plant root anatomy. Artwork of a section through the root of a dicotyledon plant. At centre is the vascular bundle, comprising xylem (blue) and phloem (cream) tissues, which transport water and carbohydrates around the plant respectively. The majority of the root is taken up by the cortex, consisting of parenchyma cells. Root hairs (red) in the epidermis (green) increase the surface area for absorption of water and nutrients.
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