在脊椎动物胚胎的早期发育中，多种信号途径对中胚层形成和神经外胚层分化起着重要的调节作用。
Many signaling pathways play important roles in the formation of mesoderm and patterning of the neuroectoderm during early development of vertebrate embryos.
在中胚层，心脏和循环系统正在形成。
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。
In the center layer (mesoderm) the heart and circulatory system are forming.
应用推荐