颈卵器

jǐng luǎn qì
  • archegonium;corpusculum
颈卵器颈卵器
颈卵器[jǐng luǎn qì]
  1. 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 .

  2. 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.

  3. 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 .

  4. 颈卵器植物MADS-box基因的研究进展

    Advances in the Study on MADS-box Genes of Archegoniatae

  5. 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 .

  6. 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 .

  7. 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

  8. 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

  9. 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 ) .

  10. 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 .

  11. 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 .

  12. 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 .

  13. 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 .

  14. 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 .

  15. 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 .

  16. (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

  17. 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 .