Transverse section of a chick embryo of forty-five hours' incubation.
* Chordamesoderm: yellow, at notochord.
* Paraxial mesoderm: red, at somite.
* Intermediate mesoderm: purple, near Wolffian duct.
* Lateral plate mesoderm: purple, near "somatic mesoderm" and "splanchic mesoderm". (en)
Chick embryo of thirty-three hours' incubation, viewed from the dorsal aspect. (en)
