查询词典 female gametophyte

The polar and egg nuclei of the female gametophyte are genetically identical.

雌配子体中的极核和卵核遗传上是同一的。

Usually there were two archegonia in a female gametophyte which developed a synchronously at first, and gradually developed in concert.

一个雌配子体中的颈卵器数目通常为2个，它们的发育最初不同步，以后逐渐趋向一致。

The female gametophyte of flowering plants may have evolved through iteration of a modular structure and a gradient of the hormone auxin.

开花植物的雌性配子体可以通过模块结构的迭代和生长激素的梯度进行演化。

The archegonial initials could be distinguished from the perip heral cells at the micropyle end of the female gametophyte before the completion of the wall formation where the cell wall had reached the center of the gametop h yte.

雌配子体中游离核之间细胞壁还未完全形成时，在其近珠孔端表面可看到颈卵器母细胞发生。

Botrychium, and in gymnosperms it pushes the embryo into the female gametophyte tissue.

某些种类的石松属植物(例如卷柏属 Selaginella)、少数蕨类(例如阴地蕨属 Botrychium)和裸子植物中胚柄将胚胎推入雌性配子体中。

The investigation of the structures of reproductive organs,megasporogenesis,microsporogenesis and the development of male and female gametophyte in Dendrocalamus sinicus are made using normal paraffin method in this article.

通过石蜡切片的方法对巨龙竹生殖器官结构、大小孢子的发生和雌、雄配子体的发育过程进行了观察研究。巨龙竹为一心皮组成的单室单子房，子房内具有一个胚珠，倒生、双珠被、厚珠心。

The pollen tube enters the female gametophyte from micropylar end and the free nuclei near pollen tube have the average chance to acting as the functional egg.

花粉管从雌配子体的珠孔端进入，珠孔端的游离核行使卵细胞功能的机会是均等的。

In the Coniferophyta the female gametophyte is reduced to a nonphotosynthetic tissue with up to 2000 nuclei in the ovule, which produces archegonia.

松柏类植物的雌配子体成为颈卵器，其胚珠为含有2000个以上的核的非光合组织，（参见 archegonium ）。

The female gametophyte is represented by the embryosac, the archegonia being absent.

雌性配子体存在于胚囊中，颈卵器缺失。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。