... 胚囊;embryosac 胚状体;体细胞胚;somatic embryo 胚胎毒;embryotoxin ...
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um cinerariaefolium type of embryosac 除虫菊型胚囊
chrysanthemum cinerariaefolium type of embryosac 除虫菊型胚囊
Polar nuclei The, usually two, haploid nuclei found midway along the EMBRYOSAC, forming a binucleate central cell. They may fuse to form the diploid definitive nucleus.
通常指两个位于胚囊中间的单倍体核，他们可能融合形成一个二核的中央细胞。
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