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1·Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.

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。

2·In the center layer (mesoderm) the heart and circulatory system are forming.

在中胚层，心脏和循环系统正在形成。

3·In the center layer (mesoderm), the heart and circulatory system are forming.

在中胚层，心脏和循环系统正在形成。

4·Fibroblasts are mesenchymal cells which are derived from the embryonic mesoderm.

成纤维细胞是胚胎中胚层起源的间叶细胞。

5·The middle zone of the mesoderm of a chordate vertebrate embryo, from which excretory tissue develops.

中胚叶节脊索类脊椎动物胚胎的中胚层的中间部分，…

6·These data altogether suggest that Dpr2 functions to inhibit mesoderm induction mediated by Nodal signaling.

这些结果表明，Dpr2在胚胎发育中的正常功能是抑制Nodal信号的中胚层诱导作 用。

7·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。

8·The body type of elite female Judokas belongs to endoderm-mesoderm somatotype, compared with that of common athletes.

优秀女子柔道运动员与一般运动员相比，体型更偏向为内中型体型。

9·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。

10·Results: Nascence of epithelioid sarcoma was primary space mesoderm, it is appeared in any part of body, more in upper limbs.

结果上皮样肉瘤组织起源为原始间叶组织，可发生于躯体任何部位，以上肢多见。