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
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
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
These cells are known as endodermal cells.
这些细胞称为内胚层细胞。
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
These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.
这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层。
Somite is divided from head to feet, blastoderm is divided from inner to outer.
由于内脏最早起源于中胚层，根据经络"内属于脏腑"的特点，可以认为经络最早也来源于中胚层。
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
relating to or derived from the mesoderm.
关于中胚层，或由中胚层产生。
The inner ear, which mediates hearing and equilibrium, develops from an ectodermal placode located adjacent to the developing hindbrain.
内耳是调节听力和平衡的器官,来源于外胚层邻近后脑的生长板。
The establishment of genetic transformation system in lateral cortex of mouse embryo via in utero electroporation
鼠胚大脑皮层子宫内电穿孔法基因转移体系的建立
double-walled stage of the embryo succeeding the blastula.
囊胚发育之后的双层胚胎。
mesodermal mixed tumor of corpus uteri
子宫体混合性中胚层瘤
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。
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