archegonia的例句大全

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.

The sex organs were formed in 80 days after inoculation, and antheridia appeared about 10 days earlier than archegonia.

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。

Cytological Studies on the Formation of Female Gametophyte and Development of Archegonia

银杏雌配子体形成及颈卵器发育的细胞学研究

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。

The prothallus matured in 80-100 days after inoculum. The antheridia is globular. The archegonia is of the type common in the high ferns.

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 swollen lower portion of an archegonium containing the egg. ( of mosses) having the archegonia at the top of the stem.

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。

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.

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。