archegonia是什么意思？archegonia怎么读？archegonia例句及用法

1 . 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.

来自辞典例句

2 . 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.

来自辞典例句

1 . 颈卵器

...口处分生区处有一个由许多颗粒状细胞组成并长有许多多细胞毛状体的突起结构,极少数配子体上此突起部位发现个别颈卵器(Archegonia)。孢子萌发和配子体发育都能耐受较大变化的酸性培养环境。

archegonia相关短语搭配

1 . 侧生颈卵器

Lateral archegonia 侧生颈卵器的相关例句 1. Early archegonial development is already evident two weeks after pollination. 颈卵器的早期发育在授粉后两周.