The fluid-filled, central cavity of a blastula.
囊胚腔囊胚中充满液体的中心的洞
These orient themselves so that a fluid-filled cavity, the blastocoel, forms inside the mass of cells.
这些细胞进行自我调整，以致在细胞群内部形成一个充满液体的腔，即囊胚腔。
The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
Influence of Macrophage Co-culture to Fertility Rate and Blastocyst Formation Rate of the Mouse s Oocytes;
腹腔巨噬细胞对小鼠卵受精率和囊胚形成率的影响
Comparison of 3 Techniques for Artificial Shrinkage of Blastocoelic Cavity Before Vitrification of Expanded Mouse Blastocysts
3种囊腔人工皱缩技术在小鼠扩张期囊胚玻璃化冷冻中的比较研究
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。
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
double-walled stage of the embryo succeeding the blastula.
囊胚发育之后的双层胚胎。
Progress of Blastocyst Culture and Blastocyst Transfer
人类囊胚期胚胎培养-移植的研究现状
The saclike cavity within the body of a coelenterate.
体肠腔腔肠动物体内的囊状腔
The outer layer of a blastula that gives rise to the ectoderm after gastrulation.
外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织
umbilical coelom
脐腔 -伸入脐带中的胚外体腔
infectious bursal agent
传染性腔上囊病原体
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 modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚，为胎盘哺乳动物的特征
Isolation of embryonic stem cells from inner cell mass of porcine blastocysts
由猪囊胚内细胞团分离胚胎干细胞的研究
The embryo sacs observation is one of the main study method for embryology.
胚囊观察是植物胚胎学的主要研究方法之一。