1.In the first phase, the oogonium has little cytoplasm and bigger nuclear-cytoplasmic ratio.
第1时相，原细胞细胞质较少，核质比较大。
2.The proliferative phase of the oogonium was found in the gestational age between 41d and 84d.
原细胞增殖期41-84龄间，而增殖高峰在41-48间现。
3.2. A group of cells at the tip of the oogonium in certain green algae (Chlorophyta), such as the stonewort Chara and the mermaid's cup (Acetabularia).
2某些绿色藻类（绿藻门）器顶部的一组细胞，例如轮藻属和伞藻属的冠细胞。
4.2某些绿色藻类（绿藻门）器顶部的一组细胞，例如轮藻属和伞藻属的冠细胞。
A group of cells at the tip of the oogonium in certain green algae (Chlorophyta), such as the stonewort Chara and the mermaid's cup (Acetabularia).
原细胞细胞质较少，核质比较大。
41-84
龄间，而增殖高峰在41-48
现。
器顶部的一组细胞，例如轮藻属和伞藻属的冠细胞。
