1.2. 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某些绿色类(绿)颈卵器顶部的一组,如轮属和伞属的。
2.2某些绿色类(绿)颈卵器顶部的一组,如轮属和伞属的。
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).