Somatopleuric mesenchyme
（重定向自Somatopleuric）
![](/Images/godic/202502/12/Gray161851.png")
![](/Images/godic/202502/12/Gray4571851.png")
In the anatomy of an embryo, the somatopleuric mesenchyme is a structure created during embryogenesis when the lateral mesoderm splits into two layers. The outer (or somatic) layer becomes applied to the inner surface of the ectoderm, and with it forms the somatopleure.