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- 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;
- 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。
- 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 development of embryo sac in Prunus americana Marsh var. is often abnormal. 鸡心李(Prunus americana Marsh var.;)
- 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。
- 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 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
- Enclosure of the nucellus by the integuments is incomplete, the embryo sac or, in gymnosperms, to the archegonium. 珠被并不是将珠心完全封闭，而是留有珠孔以便受精时花粉管进入胚囊，或裸子植物的藏卵器。
- Starch grains present in the embryo sac and placenta are utilized by the embryo. 存在于胚囊和胎座中的淀粉粒为胚胎所利用。
- 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
- CYTOLOGICAL OBSERVATIONS ON EMBRYO SAC AND FERTILIZATION IN PRUNUS AMERICANA MARSH VAR. 鸡心李胚囊及受精的观察
- Function megaspore is in the chalaza and the monosporic embryo sac is chenopodiad type. 功能大孢子位于合点端，大孢子发育为蓼型胚囊。
- Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants. 助细胞：存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。
- Most of ovaries in the mutant were without embryo sac,and the sac full of par enchyma cells. 大约30%25的颖花具有两个以上的子房。突变体完全不能结实。
- The mature embellum cells in aposporous embryo sac were larger than that in sexual embryo sac. 存在发达的胚珠附器是水蔗草无孢子生殖胚囊的特点之一。
- Megaspore tetrad is linear.The chalazal megaspore develops into an embryo sac of Polygonum type. 大孢子四分体为线形，合点端功能大孢子发育成为蓼型胚囊。
- 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；
