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- In second stage, after 2-nucleate embryo sac development, most pollen tubes grow radially around ovules. （2）沿子房径向生长阶段，二核胚囊之后，花粉管在胚珠之间穿梭，以径向生长为主；
- The central portion of an ovule in which the embryo sac develops; the megasporangium. 珠心胚珠的中心，胚芽囊在此发育；大孢子囊
- The central portion of an ovule in which the embryo sac develops;the megasporangium. 珠心胚珠的中心，胚芽囊在此发育;大孢子囊
- during early embryo sac development 在胚囊发育早期
- Researches in Cytology and Molecular Biology of Plant Embryo Sac Development 植物胚囊发育的细胞与分子生物学研究
- Keywords new-typed B. napus;pollen germination;embryo sac development;genome introgression;genetic distance; 甘蓝型油菜;花粉萌发;胚囊发育;基因组导入;遗传距离;
- Abnormal development was observed at tetrad and mature embryo sac. 在四分体和成熟胚囊时期观察到了异常发育现象。
- Genesis of megaspore and development of embryo sac in Carica papaya L. 番木瓜的大孢子发生与胚囊发育。
- The development of embryo sac in Prunus americana Marsh var. is often abnormal. 鸡心李(Prunus americana Marsh var.;)
- embryo sac development 胚囊发育
- Both polygonum type and panicum type embryo sac have embellum. 有性生殖和无孢子生殖的胚囊中均有胚珠附器存在;
- The development of the embryo sac is Polygonum type with numberous antipodal cells. 胚囊的发育为蓼型，具多个反足细胞。
- The functional megaspore in the linear tetrad is the one at the chalazal end.The development of the embryo sac is the polygonum type. 大孢子四分体为直线型、少数为“T”型排列，合点端的一个为功能性大孢子。
- These abnormalities would cause the abnormal structure of mature embryo sac. 这些异常可能最终导致多种结构异常成熟胚囊的形成。
- While in the Angiophyta the female gametophyte is simply the EMBRYO SAC. 被子植物门的雌配子体为简单的胚囊；
- The chalazal end megaspore develops into the embryo sac mother cell. 合点端大孢子发育为胚囊母细胞。
- With embryo sac haustorium in chalazal end,the embryo sac is Endymion type. 胚囊发育类型为英地百合型 ,合点端形成胚囊吸器。
- The development of embryo sac is Polygonum type.The two polar nuclei fuse before fertilization and the the three antipodal cells degenerate soon after fertilization. 胚囊发育为蓼型，两只极核于授精前融合，三枚反足细胞于授精作用之后退化。
- Embryo sac elongated at 1-nucleate stage by fusion of small vacuoles. 功能大孢子时期核糖体密集, 线粒体和质体分裂以增加数目；
- The formation and development of embryo sac in the diploid and its autotetraploid of rice cultivar IR36 was examined using Laser Scanning Confocal Microscopy. 摘要利用激光扫描共聚焦显微镜术对水稻品种IR36二倍体及其同源四倍体的胚囊形成和发育过程进行了系统的研究。
