| 单词 | permanent tissue |
| 释义 | > as lemmaspermanent tissue permanent tissue n. Botany plant tissue that no longer divides, as opposed to meristem tissue. ΚΠ 1872 Philos. Trans. (Royal Soc.) 162 313 This meristem action of the innermost bark ends in the production of two kinds of permanent tissue—an inner vascular one..and an outer cellular one. 1965 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) i. iii. 81 The fully differentiated cells of permanent tissues are almost always considerably larger than the cells of the meristem. 1973 New Phytologist 72 631 Far from showing either cambial activity or further differentiation to form a permanent tissue, the remainder of the cells..undergo..degeneration. < as lemmas |
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