三重胚的具有三层原胚层的。
在外胚层的凹陷和增厚过程中,表达了很多基因。
there are many genes that are already expressed and presented in this dimpling and thickening of the outer layer.
双胚层的具有两个胚层（外胚层和内胚层）的。
Derived from two embryonic germ layers, the ectoderm and the endoderm.
中胚叶节脊索类脊椎动物胚胎的中胚层的中间部分，…
The middle zone of the mesoderm of a chordate vertebrate embryo, from which excretory tissue develops.
室管膜囊肿被认为起源于神经外胚层的内陷，囊肿覆盖以柱状和立方上皮细胞。
Ependymal cysts are thought to originate from invagination of neuroectoderm, and the cysts are lined with either cuboid or columnar epithelium.
囊肿的起源尚不清楚，但是它们被认为是起源于神经外胚层的内陷，囊肿壁覆盖以柱状或立方上皮细胞。
The origin of the cysts is unknown, but they are thought to originate from invagination of neuroectoderm, and the cysts are lined with either cuboid or columnar epithelium.
资料综合：脂肪组织来源干细胞与同样起源于中胚层的骨髓基质细胞不仅具有非常相似的生物学特性，而且在细胞表面标志谱的表达方面也非常相近。
DATA SYNTHESIS: There was similar bionomics of adipose tissue-derived stem cells and bone mesenchymal cells, and the cell-surface marker spectrum was also very similar.
胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。
Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
它由星形细胞瘤，少突胶质细胞瘤，室管膜瘤发展而来，它们是由神经外胚层细胞诱导的。
It developed from astrocytoma, oligodendroglioma, ependymoma, which were induced by neural ectoblast.
外胚层遵循一个默认的路径。
在外胚层，神经管正在形成，在此基础上，婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。
In the outer layer (ectoderm) the neural tube is forming from which the baby's nervous system-brain spinal cord skin and hair-will develop.
在外胚层，神经管正在形成，在此基础上，婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。
In the outer layer (ectoderm) the neural tube is forming, from which the baby's nervous system-brain, spinal cord, skin and hair-will develop.
芝麻籽大小的小蝌蚪现在已经分成了三层：外胚层、中胚层和内胚层。
The little tadpole about the size of a sesame seed is now made up of three layers: the ectoderm mesoderm and endoderm.
芝麻籽大小的小蝌蚪现在已经分成了三层：外胚层、中胚层和内胚层。
The little tadpole, about the size of a sesame seed, is now made up of three layers: the ectoderm, mesoderm and endoderm.
发育8天后，老鼠早期胚胎的，外胚层开始增厚。
This surface layer thickens at an early stage in a mouse after 8 days of development.
大家知道，耳朵发育的早期特征，是胚胎外层膜的增厚，这层膜也叫外胚层。
We can see the early signs of ear development Start with the thickening of the outer layer of the embryo, this layer is called the ectoderm.
当一个生物产生时，胚胎将形成三个胚层外胚层、内胚层和中胚层，然后再由这些胚层形成机体的组织和器官。
When an animal develops, embryos form three cellular or germ layers - ectoderm, endoderm and mesoderm - which then go on to form the body's organs and tissues.
我们的这个病例就提供了一例在孕31周诊断的中胚层肾瘤的回声特征并做了简单的讨论。
The present case report explains echographic features of a Mesoblastic Nephroma diagnosed at the 31 weeks of pregnancy and make a brief discussion.
原肠胚形成过程中，由上胚层细胞增殖产生的一部分细胞在上、下胚层之间形成的第三层细胞。通常形成骨骼、肌肉、结缔组织、心脏、造血系统、肾脏和其它器官。
Mesoderm --- The middle germ layer in the early embryo; the source of cells that go on to make bones, muscles, connective tissue, heart, hematopoietic system, kidney, and other organs.
目的探讨原始神经外胚层瘤（PNET）的病理学特点及其临床意义。
Objective To study the pathological characteristics of primitive neuroectodermal tumor(PNET) of bone and soft tissue.
两层细胞（两胚层），中间是凝胶状的中胶层。
Two cell layers (diploblastic) separated by a gelatinous mesoglea.
这表明胚层之间的界限并不是我们胰腺想想的那样严格。
This suggests germ layer boundaries are less absolute than previously thought.
由于脂肪组织与骨髓同为中胚层起源的组织，那么能否从脂肪组织中获得间充质干细胞，而且也具有多分化潜能呢？
Because both fat tissue and bone marrow are tissues originated from mesoderm, so whether MSCs could be obtained from fat tissue as well, which also have multi - lineage differentiation potential?
脊椎动物胚胎中胚层中的体节物质，沿脊索成对出现，后生长成肌肉或脊椎。
A segmental mass of mesoderm in the vertebrate embryo, occurring in pairs along the notochord and developing into muscles and vertebrae.
胚胎干细胞(ES细胞)具有自我更新、无限增殖、保持未分化状态和向所有三个胚层分化的潜能。
Embryonic stem cells (ES cells) are unique cell populations with the ability of self-renewal, unlimited proliferation, multipotent differentiation and maintaining their undifferentiated state.
胚胎干细胞(ES细胞)具有自我更新、无限增殖、保持未分化状态和向所有三个胚层分化的潜能。
Embryonic stem cells (ES cells) are unique cell populations with the ability of self-renewal, unlimited proliferation, multipotent differentiation and maintaining their undifferentiated state.
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