| 单词 | quadrant cell |
| 释义 | > as lemmasquadrant cell quadrant cell n. [after German Quadrantenzelle (1877 in the passage translated in quot. 1884)] Biology each of the four cells formed by two successive divisions of a cell, esp. as occurs in an early stage of plant embryogenesis. ΚΠ 1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 20 Each quadrant cell [Ger. Quadrantenzelle] is again divided into two unequal parts. 2000 Bryologist 103 149/2 Each cell of the quadrant undergoes two divisions: a tangential-anticlinal division..followed by a periclinal division..in which the new wall extends from the previously formed wall to an anticlinal wall of the quadrant cell. < as lemmas |
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