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exodermis n.【植物;植物學】外皮層。

exodontia

Exodermis an outermost layer of thickened or suberized cortical cells that sometimes replaces the epidermal layer in the older parts of roots if the epidermal cells have died 外皮層:薄的或木栓化的皮層細胞的最外層。如果根的較老部分表皮細胞死亡,它通常取而代之。