pollen tube nucleus [植] 花粉管核
tube nucleus [植] 管核 ; 管核见于植物 ; [植] 粉管核
pollen n tube nucleus 花粉管核
The protein staining of tube nucleus is the darkest, and the antheridial nucleus is the next.
管核的蛋白质染色反应最深，生殖核次之。
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After entering the pollen tube, the generative cell approached the vegetative nucleus before long and sticked each other.
当生殖细胞进人花粉管后，在较短的时间内接近营养核，并与其相贴合。
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