1.
primitive streak
原条[见于原肠胚]
2.
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
3.
Separation and In vitro culture of the cells of blastula and gastrula from the penaeid shrimp,Fenneropenaeus chinensis
中国明对虾囊胚和原肠胚细胞的分离和培养
4.
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
5.
The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity.
原肠原肠胚的中心空腔，它最终成为肠腔或消化腔
6.
"archenterons: The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity."
原肠: 原肠胚的中心空腔,它最终成为肠腔或消化腔。
7.
An embryo at the stage following the blastula, consisting of a hollow, two - layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.
原肠胚一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠
8.
The ingrowth and curling inward of a group of cells, as in the formation of a gastrula from a blastula.
内长一组细胞的内部或向内生长，如从囊胚到原肠胚的生长过程
9.
"During the second week following fertilization, gastrulation (cell differentiation and migration) results in the formation of three tissue types."
受精之后第二周,原肠胚形成后,胚胎分化为三个组织类型,
10.
This pushing-in of cells marks the start of gastrulation.
细胞的这种向里推进标志着原肠胚形成的开始。
11.
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
12.
THE SIGNIFICANCE OF CEA DETECTION IN SERUM AND TISSUE OF PATIENTS WITH GASTROINTESTINAL CARCINOMA
胃肠癌患者血清及癌组织癌胚抗原的检测意义
13.
Significance of carcinoembryonic antigen test to forecast colorectal cancer metastases in abdominal cavity
腹腔癌胚抗原对预测大肠癌腹腔内播散的意义
14.
Study on Quantitative Analysis of Carcinoembryonic Antigen Messenger RNA in Colorectal Cancer;
定量检测大肠癌癌胚抗原信使核糖核酸的研究
15.
Expression of Carcinoembryonic Antigen mRNA in Peripheral Blood Cells in Patients with Colorectal Cancer and Its Clinical Significance;
结直肠癌外周血癌胚抗原mRNA的表达及临床意义
16.
The Effects of Serum Concentration on Primary Culture of Cecum Epithelial Cells from Chicken Embryo
血清浓度对鸡胚盲肠上皮细胞原代培养的影响
17.
Expression and clinical significance of CEA mRNA in patients with colon cancer
大肠癌外周血及淋巴结癌胚抗原mRNA表达
18.
The innermost of the three primary germ layers of an animal embryo, developing into the gastrointestinal tract, the lungs, and associated structures.
内胚层动物胚胎三个原始胚层的最内层发育成胃肠道、肺及其附属衍生结构