archegonia的意思

archegonia中文翻譯：

頸卵器（archegonium的名詞復數）

相似詞語短語

archegonia head───頸卵器頭

archegonia moss───頸卵器苔蘚

archegonia group───頸卵器群

archegonia def───頸卵器

archegonia botany───考古學植物學

archegonia are───頸卵器

archegonia image───頸卵器象

archegonia genus───頸卵器屬

雙語使用場景

Many forest tree species have multiple archegonia which , after fertilization produce a number of proembryos .───許多林木樹種都有頸卵器，受精以后便產生許多原胚。

A similar section through the female plant reveals several bottle- shape archegonia , the female reproductory organs .───通過雌株末梢的縱切面所現出的幾個瓶狀的頸卵器，這就是雌性生殖器官。

Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.───除了買麻藤屬和百歲蘭屬以外大多數裸子植物還保留有頸卵器。

(of mosses) having the archegonia at the top of the stem.───（苔蘚）主干頂端有頸卵器。

It can be observed that the embryos break through the archegonia after fertilization.───原葉體受精后幼胚突破頸卵器生長。

The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated.───成熟的頸卵器含有頸細胞、腹溝細胞和卵細胞，但頸細胞和腹溝細胞已經退化。

英語使用場景

Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.

In the presence of water, sperm from the antheridia swim to the archegonia and fertilisation occurs, leading to the production of a diploid sporophyte.

In humus soil, cordate prothalli did not bear archegonia, and thus the process of sexual reproduction ofSgrevilleoides could not be finished.