1.
double-walled stage of the embryo succeeding the blastula.
囊胚发育之后的双层胚胎。
2.
The outer layer of a diploblastic animal, such as a jellyfish.
外层双胚层动物的外层，如海蜇
3.
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
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.
relating to or derived from the mesoderm.
关于中胚层，或由中胚层产生。
7.
mesodermal mixed tumor of corpus uteri
子宫体混合性中胚层瘤
8.
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。
9.
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
10.
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
11.
double bottom forward
首部双层底前部双层底
12.
double pile velvetee
双层丝绒,双层立绒,双层天鹅绒
13.
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
14.
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
15.
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
16.
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
17.
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
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