常見例句A serologic reaction retards the growth of the pollen tube. 血清反應(yīng)阻止花粉琯生長(zhǎng)。Another case is that pollen tube of self-pollen grows Slowly. 花粉琯生長(zhǎng)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(guò)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。The coated vesicles in the growing pollen tube are secreted from golgi body. 生長(zhǎng)中的花粉琯的被膜小泡可由高爾基躰分泌形成。 返回 Pollen-tube