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
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
relating to or derived from the mesoderm.
关于中胚层，或由中胚层产生。
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
mesodermal mixed tumor of corpus uteri
子宫体混合性中胚层瘤
The outer layer of a diploblastic animal, such as a jellyfish.
外层双胚层动物的外层，如海蜇
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。
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
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
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
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
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
Any of the blastomeres from which the ectoderm develops.
外裂球任一种发育成外胚层的裂球
These cells are known as endodermal cells.
这些细胞称为内胚层细胞。
ectomesodermal dysplasia syndrome
外中胚层发育异常综合征
The part of a mesodermal somite from which the dermis develops.
生皮节中胚层体节上生长真皮的部分
The Comparative Study on the Methodology of Separating the Epithelial Layer in Mice Bronchial Arch;
小鼠腮弓胚层分离的方法学比较研究
The Biological Origin of Chinese Channel and Mesodorm Theory;
中国经络的生物学来源与中胚层理论