In the first part of the Embryology chapter from Crush Step 1, we review topics such as:- Description of Anatomy- Early Embryology: The First Month- From Fertilization to Implantation- The Rule of Twos- Gastrulation and the Ectoderm, Endoderm, and Mesoderm- Neural Tube Closure and Beginning of Organogenesis- Week Five and Beyond- Organogenesis and Teratogeni ... Show More