The lateral mesoderm is divided into two distinct layers by the formation of the
The lateral mesoderm is a subdivision of intraembryonic mesoderm and initially is a solid plate of mesoderm. The intraembryonic coelom forms in the middle of the lateral mesoderm, thereby dividing it into the intraembryonic somatic mesoderm and intraembryonic visceral mesoderm.
Extraembryonic coelom
Intraembryonic coelom
Cardiogenic region
Notochord
General Embryology 2