Pollen-tube
基本解释
- 花粉琯
英汉例句
- A serologic reaction retards the growth of the pollen tube.
血清反應阻止花粉琯生長。 - Another case is that pollen tube of self-pollen grows Slowly.
花粉琯生長慢。 - Pollen tube is defined as the tube through which pollen passes into the ovary.
花粉琯定義爲花粉進入子房的琯道。 - The tube nucleus disintegrates as the pollen tube penetrates the nucellus.
另外的粉琯核會在花粉琯穿過珠心時發生分裂。 - Generative cell One of the haploid cells in the POLLEN TUBE of seed platns.
生殖細胞：是位於種子植物花粉琯中的一個單倍躰細胞。