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Plant Structure.pdf

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Root structure:<br />

epidermal cells can develop root hairs as outgrowths<br />

cortex - parenchyma cells that can function in food storage<br />

endodermis - single layer of cells with cell walls impregnated with<br />

suberin - prevents water and mineral passage between cells -<br />

suberin band around cells is the “Casparian strip”<br />

Stele - all cells interior to the endodermis<br />

Pericycle - parenchyma just interior to the endodermis - can produce<br />

lateral roots and the root vascular cambium

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