Select
Image:

 

A cut through the embryo illustrates the three germ layers: ectoderm (formerly referred to as epiblast), mesoderm, and endoderm.

 

 
                     Species: Mouse 
                     Day Gestation: 7 
             Approx. Human Age: 17 Days 
                                   View: Dorsal 
             Germ Layers & Gastrulation
                                        4 of 26