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2016-06-16T09:07:18+08:00

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Major root tissues:

*Parenchyma
*Collenchyma
*Sclerenchyma
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The organization of tissues in the primary root is simpler than in the primary stem because no leaves are produced on the roots and, consequently, there is no need to connect the vascular system laterally to offshoots. The primary body, produced by the three primary meristems, consists of a central cylinder of vascular tissue, the stele, surrounded by large storage parenchyma cells—the cortex—on the outside of which lies a protective layer of cells—the epidermis.