chalazal

合点的

常用释义

词性释义

合点的

卵带的
例句
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Seeds obovoid, base rostrate, apex retuse, chalazal knot rounded, ventral holes furrowed from base nearly to apex.
Cell wall of the egg is complete while cellularization, but its chalazal part disappeared when the egg is mature.
Seeds obovoid, apex rounded and retuse, chalazal knot ovate-elliptic, ventral holes obelliptic.
After fertilization, the zygote and the proembryo also lie in the chalazal end.
The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage.
1·Chalazal end of mature embryo sac is narrow and elongated.
成熟胚囊的合点端狭长。
网络释义

内脐

...生或半倒生胚珠从 珠柄通到合点的维管 束遗迹 4、内脐（chalazal）—— 是胚珠时期合点的遗 迹，位于脐条的终 点 部位， …
更新时间：2025-05-02 06:22

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