颈卵器
- archegonium;corpusculum
![颈卵器](../cache/902588.jpg)
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例如藓类颈卵器(雌性器官)分泌蔗糖
For example , the archegonium ( female organ ) of the moss Funaria secretes sucrose .
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原叶体无毛状体,中脉厚,精子器和颈卵器较大;
The prothallium has no trichome but thick midvein , large antherid and archegonium . However , O.
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颈卵器的早期发育在授粉后两周内就业已明显。
Early archegonial development is already evident two weeks after pollination .
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颈卵器植物MADS-box基因的研究进展
Advances in the Study on MADS-box Genes of Archegoniatae
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接种后80d左右开始有性器官出现,精子器的出现较颈卵器早10d左右。
The sex organs were formed in 80 days after inoculation , and antheridia appeared about 10 days earlier than archegonia .
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培养80~100d后原叶体成熟,其精子器呈球形,颈卵器为高等蕨类植物典型类型。
The prothallus matured in 80 - 100 days after inoculum . The antheridia is globular . The archegonia is of the type common in the high ferns .
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银杏雌配子体形成及颈卵器发育的细胞学研究
Cytological Studies on the Formation of Female Gametophyte and Development of Archegonia
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蕨类植物桂皮紫萁颈卵器和精子器形态和发育的研究
Study on the morphology and development of the archegonium and antheridium of the fern Osmunda cinnamomea
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颈卵器)腹部:颈卵器内含有卵细胞(卵球)而向外膨大的基部。
Venter The swollen base of an archegonium that contains the egg cell ( oosphere ) .
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许多林木树种都有颈卵器,受精以后便产生许多原胚。
Many forest tree species have multiple archegonia which , after fertilization produce a number of proembryos .
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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。
A similar section through the female plant reveals several bottle-shape archegonia , the female reproductory organs .
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腐叶土基质上的心形原叶体上未见颈卵器的发生,因而其有性繁殖过程不能完成;
In humus soil , cordate prothalli did not bear archegonia , and thus the process of sexual reproduction ofSgrevilleoides could not be finished .
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颈卵器状似长颈烧瓶,由一条细长的颈部和膨大的腹部(内含雌性配子)组成。
It is a multicultural flask-shaped structure made up of a narrow neck and a swollen base ( venter ) that contains the female gamete .
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颈卵器腹颈卵器的隆起的下部,内含卵细胞(苔藓)主干顶端有颈卵器。
The swollen lower portion of an archegonium containing the egg . ( of mosses ) having the archegonia at the top of the stem .
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在颈卵器发育的泡沫化阶段,套细胞和中央细胞的接触壁不均匀加厚较为显著,在较薄的区域可见胞间连丝。
During the foam stage of archegonium , the wall between the jacket cells and the central cells became fairly thick and the plasmodesmata present at the thinner area .
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(苔藓)主干顶端有颈卵器。颈椎病发生的颈交感干及颈神经后支的解剖学因素观察
( of mosses ) having the archegonia at the top of the stem . Anatomical basis and clinical significance of cervical dorsal rami nerve and cervical sympathetic trunk caused cervical disk diease
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在紫萁颈卵器发育早期即可见其壁细胞的液泡内有嗜锇性颗粒,这些嗜锇颗粒随着卵的发育逐渐增多。
In the early stage of the archegonia development of osmunda japonica , the osmiophilic materials occur in the vacuoles of the jacket cells of the archegonium , and these materials increase with the development of the egg .