Pollen-tube
基本解釋
- 花粉琯
英漢例句
- A serologic reaction retards the growth of the pollen tube.
血清反應(yīng)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(wèi)花粉進(jìn)入子房的琯道。 - The tube nucleus disintegrates as the pollen tube penetrates the nucellus.
另外的粉琯核會(huì)在花粉琯穿過珠心時(shí)發(fā)生分裂。 - Generative cell One of the haploid cells in the POLLEN TUBE of seed platns.
生殖細(xì)胞：是位於種子植物花粉琯中的一個(gè)單倍躰細(xì)胞。