| 单词 | cap-cell |
| 释义 | > as lemmascap-cell cap-cell n. Botany (see quot. 1900). ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo-sac > cell of synergid1879 cap-cell1882 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 145 Every such segment belonging to a root-cap is hence termed simply a Cap-cell. 1900 B. D. Jackson Gloss. Bot. Terms Cap Cells, the upper sister-cells of the embryo-sac in the ovule which are compressed as the embryo-sac develops and for a time figure as a cap on its apex. < as lemmas |
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