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。
Factors Affecting Human Blastocyst Formation in Vitro and the Basic Research for Establishment of Human Embryonic Stem Cells Line;
影响人囊胚形成因素的研究与人胚胎干细胞建系的初步探讨
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
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
The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
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
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 spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.
桑椹胚形成于囊胚之前且处于胚胎期内的球形裂球群，由受精卵细胞的分裂而成
The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.
肠套叠在原肠胚形成过程中囊胚的外层的折叠部分
early stage of an embryo produced by cleavage of an ovum; a hollow sphere whose wall is composed of a single layer of cells.
由受精卵分裂产生的早期胚胎外形；由单层细胞构成空心球形囊。
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。
An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity.
囊胚由分裂受精卵产生的早期胚胎外形，由围绕充满液体的洞的球形细胞层组成
Application of digital imaging technique in quantitative analysis of blood vessels in chick embryo yolk sac membranes
数字图像分析技术在鸡胚卵黄囊膜血管形成模型中的应用
Of, relating to, or being an embryo.
胚胎的胚胎的、与胚胎有关的或形成胚胎的
Enclosed in or formed into a capsule.
包入胶囊，形成胶囊
Composed of or containing vesicles.
由小囊形成的由囊组成或者包括囊的
Development of mouse blastula into embryonic stem cells on the embryo fibroblast cell feeder layer
小鼠囊胚在胚胎成纤维细胞饲养层上向胚胎干细胞的生长发育
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。