1.
Derived from two embryonic germ layers, the ectoderm and the endoderm.Used of lower invertebrates, such as sponges and coelenterates.
双胚层的具有两个胚层（外胚层和内胚层）的。用于低等无脊椎动物，如寄生虫和腔肠动物
2.
double-walled stage of the embryo succeeding the blastula.
囊胚发育之后的双层胚胎。
3.
The outer layer of a diploblastic animal, such as a jellyfish.
外层双胚层动物的外层，如海蜇
4.
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
5.
Any of the blastomeres of an embryo from which the endoderm develops.
内胚层指任何可生长成内胚层的胚胎分裂球
6.
Two cell layers( diploblastic) separated by a gelatinous mesoglea.
两层细胞(胚层)中间是凝胶状的中胶层。
7.
Having three germ layers.Used of the vertebrate embryo.
三重胚的具有三层原胚层的。用于脊椎动物的胚胎
8.
The middle germinal layer of an early embryo, consisting of undifferentiated cells destined to become the mesoderm.
中胚层早期胚的中间胚芽层，由最终将发育成中胚层的未分化细胞组成
9.
The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and, in vertebrates, sense organs develop.
外胚层胚胎最初三层胚层中的最外一层，由此发育成为表皮、神经组织和脊椎动物的感觉器官
10.
A protective sheath enclosing the shoot tip and embryonic leaves of grasses.
胚芽鞘裹在草的芽尖和胚芽外层的保护鞘
11.
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
12.
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
13.
The Frequencies of Autotetraploid Rice with Polyembryonic Seedling and Its Reproductive Characteristics;
同源四倍体双胚苗水稻的双胚频率及其生殖发育特性
14.
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
15.
The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.
胚盘鸟蛋或爬行动物卵的蛋黄表面的细胞层，胚盘由此形成，胚胎从胚盘发育
16.
Effect of Bisphenol A on Development of Mouse Preimplantation Embryo in Vitro;
双酚A对小鼠早期胚胎体外发育的影响
17.
The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo.
胚胎滋养层囊胚细胞的最外层，它会将受精卵与子宫壁连在一起，同时它是胚胎获取营养的通道
18.
double-woven blankets
双层织造[的]毯子