The varied embryo sacs are classified into four types according to their different structures and origins: Degenerated embryo sac (DES), structure variation (SV), apomixis (Apo) and antipodal cell proliferation (ACP).
以秋水仙素加倍的同源四倍体水稻三系株系具有高比率的变异胚囊。
Classification and Seed Set of Varied Embryo Sacs of Autotetraploid Rice
同源四倍体水稻变异胚囊分类及结实性影响因素
The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
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。
The Impact That Endometriomas Have on the Procedure of in Vitro Fertilization-Embryo Transfer
卵巢子宫内膜异位囊肿对体外受精—胚胎移植过程的影响
Effects of dexamethasone on endometriosis in chick embryo chorioallantocic membrane model
地塞米松治疗子宫内膜异位症鸡胚尿囊膜模型的实验研究
The fluid-filled, central cavity of a blastula.
囊胚腔囊胚中充满液体的中心的洞
Analysis of Genetic Variations of Pollen and Ovule in Several Subspecies and Varieties of Medicago sativa
几个紫花苜蓿亚(变)种花粉和胚珠遗传变异分析
the process in which a gastrula develops from a blastula by the inward migration of cells.
由于细胞向内移动囊胚形成胚囊或肠胚的过程。
Important changes in the embryo or larva will probably entail changes in the mature animal.
胚胎与幼体的重要的变异，或将引起动物成体的变异。
These disorders may include cystic fibrosis, hemophilia, sickle cell anemia, and many others.
这些变异包括包囊纤维症、血友
Effects of xinyuan capsule on heart rate variability in coronary heart disease
心元胶囊对冠心病心率变异性的影响
Morphological changes of embryo and yolk sac larvae of barred knifejaw (Oplegnathus fascltus) under salinity stress.
不同盐度下条石鲷胚胎及卵黄囊仔鱼的形态变化
To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.
套叠折叠或变成折叠以便在原先实心的结构中形成一个中空的空间，如囊胚形成原肠胚的过程
Studies on in Vitro Culture of Immture Embryo of Maize and Aberrance of Regeneration Plantlet;
玉米幼胚离体培养及其再生植株变异的研究
Studies on Genetic Variation in the Process of Somatic Embryogenesis in Litchi"Litchi Chinensis Sonn.;
荔枝体细胞胚胎发生过程中遗传变异的研究
VARIATION AND VITALITY OF SEED EMBRYOS FROM TETRAPLOID Robinia pseudoacacia
刺槐同源四倍体种子胚变异及生活力分析
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
Embryo sac and embryo development and embryo rescue in Lilium distant cross
百合远缘杂交的胚囊和胚胎发育及胚拯救