archegonia

[美]/ˌɑːkɪˈɡəʊniə/
[英]/ˌɑːrkɪˈɡoʊniə/
词频: 极高

释义

n.颈卵器的复数,苔藓、蕨类等隐花植物的雌性生殖器官

短语搭配

the archegonia

颈卵器

archegonia develop

颈卵器发育

archegonia contain

颈卵器包含

archegonial neck

颈卵器颈部

mature archegonia

成熟颈卵器

archegonia form

颈卵器形成

developing archegonia

发育中的颈卵器

archegonia emerge

颈卵器出现

archegonial structure

颈卵器结构

archegonia mature

颈卵器成熟

例句

the archegonia develop within the female gametophyte of mosses.

颈卵器在苔藓的雌配子体内发育。

in ferns, the archegonia are usually found near the base of the thallus.

在蕨类中,颈卵器通常位于叶状体的基部附近。

the archegonia produce egg cells that await fertilization.

颈卵器产生卵细胞,等待受精。

mature archegonia release chemical signals to attract sperm.

成熟的颈卵器释放化学信号以吸引精子。

the archegonial cavity provides protection for the developing egg.

颈卵器腔为发育中的卵提供保护。

during sporophyte formation, the archegonia degenerate after fertilization.

在孢子体形成过程中,受精后颈卵器退化。

in liverworts, archegonia are embedded in tissue called the receptacle.

在地钱中,颈卵器嵌入称为托部的组织中。

the differentiation of archegonia is regulated by plant hormones.

颈卵器的分化受植物激素的调节。

archegonia of hornworts are often surrounded by a protective sheath.

角苔的颈卵器通常被保护鞘包围。

researchers observe archegonia under a microscope to study reproduction.

研究人员在显微镜下观察颈卵器以研究繁殖。

the number of archegonia per gametophyte varies among species.

每个配子体中颈卵器的数量因种类而异。

environmental conditions influence the timing of archegonia development.

环境条件影响颈卵器发育的时间。

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