令人惊讶的是，胚胎中局部区域产生了迁移的神经嵴细胞和他们衍生的细胞型，它们与神经或中胚层组织完全无关。
Surprisingly, restricted regions of the embryo generated both migrating neural crest cells and their derivative cell types, without any interaction with neural or mesodermal tissues.
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.
成纤维细胞是胚胎中胚层起源的间叶细胞。
Fibroblasts are mesenchymal cells which are derived from the embryonic mesoderm.
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。
These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.
剥离牛胚胎滋胚层细胞，ICM细胞更易分化。
When the trophoblast were removed, ICM cell would be differentiate rapidly.
结果：(1)骨原始神经外胚层肿瘤来源于神经嵴的胚胎迁移细胞。
Results: (1) Osseous PNET originated from embryonic migrating cells of neural crest.
原始生殖细胞来自极细胞，分两团移至胚胎腹部侧背面，被中胚层细胞包裹，形成生殖脊。
Primordial germ cells came from pole cells and moved in two masses to the laterodorsal abdomen of embryo, and then were enveloped by mesoderm to form germinal ridge.
果蝇血细胞祖细胞来自于胚胎中胚层细胞，然后再分化为各种血细胞，这一系列分化过程由造血因子所调控。
Blood progenitors which arise from the Drosophila embryonic mesoderm differentiate into various hemocytes, and these processes are controlled by hematopoiesis regulating factors.
小鼠的造血和血管系统起源于胚外中胚层。胚胎期6.5-7天时在卵黄囊形成特征性的血岛结构发生向造血和内皮细胞的分化。
The hematopoietic and vascular systems of the mouse arise from extraembryonic mesoderm that migrate through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
小鼠的造血和血管系统起源于胚外中胚层。胚胎期6.5-7天时在卵黄囊形成特征性的血岛结构发生向造血和内皮细胞的分化。
The hematopoietic and vascular systems of the mouse arise from extraembryonic mesoderm that migrate through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
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