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archegonia

美[ɑrtʃɪ'ɡoʊnɪə],英[ɑ:tʃɪ'ɡəʊnɪə],

释义

n. 造卵器; 网络释义: 颈卵器;藏卵器;

例句

Many forest tree species have multiple archegonia which , after fertilization produce a number of proembryos .
许多林木树种都有颈卵器,受精以后便产生许多原胚。
A similar section through the female plant reveals several bottle- shape archegonia , the female reproductory organs .
通过雌株末梢的纵切面所现出的几个瓶状的颈卵器,这就是雌性生殖器官。
Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.
除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。
(of mosses) having the archegonia at the top of the stem.
It can be observed that the embryos break through the archegonia after fertilization.
The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated.
成熟的颈卵器含有颈细胞、腹沟细胞和卵细胞,但颈细胞和腹沟细胞已经退化。

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