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单词 perimeristem
释义 periˈmeristem Bot.
[mod. (Rassow, in Ger. 1872) f. peri- + meristem.]
The outermost layer of the meristem at a growing point, which develops into the outer cortex and dermatogen.
1884Bower & Scott De Bary's Phaner. 294 Exomeristem..is divided into the Mesomeristem..and the Perimeristem, which is the outer zone, forming the external cortex and the Dermatogen. Endistem, Existem, Mesistem, and Peristem are abbreviated expressions for these successive layers.
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