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Describe about permanent tissue?
 Permanent tissues are formed of cells that have lost the power of dividing having attained their definite form and size. They may be living or dead and thin walled or thick walled. They are formed by differentiation of the cells of meristems (apical and lateral) and may be primary and secondary. Primary permanent tissues are derived from the apical meristems of growing regions. Primary permanent tissues may be simple and complex.


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