Gastrulation - Embryology

Gastrulation animation, in 3D, because it's the best way to understand it. So what is gastrulation? Gastrulation is the process from bilaminar to trilaminar embryonic disc - from epiblast + hypoblast to ectoderm + mesoderm + endoderm. Join us in attempting to simplify part of the complex topic that is embryology. #3D_Embryology As always, questions and corrections welcome in the comments below.