Generative nuclei the two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms 雄原核:在被子植物花粉管中的生殖細(xì)胞(應(yīng)為雄原核譯者注)分裂成兩個(gè)配子的核。
Cupressus ) the pollen grains contain just two nuclei : a generative nucleus and a vegetative nucleus ( tube nucleus ) 當(dāng)花粉粒形成后,花粉粒壁上分布有萌發(fā)孔,花粉管從萌發(fā)孔處向外突起形成管狀結(jié)構(gòu),生殖核轉(zhuǎn)入管中。