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Questions and Answers
What is the consequence of gastrulation in embryonic development?
What is the consequence of gastrulation in embryonic development?
- Formation of the neural crest
- Formation of the mesoderm layer (correct)
- Formation of the primitive streak
- Formation of the surface ectoderm
Which structure defines the embryonic midline following gastrulation?
Which structure defines the embryonic midline following gastrulation?
- Neural crest
- Primitive pit
- Definitive endoderm
- Notochord (correct)
What gives rise to the entire nervous system during embryonic development?
What gives rise to the entire nervous system during embryonic development?
- Endoderm
- Neural crest
- Surface ectoderm (correct)
- Mesoderm
Which group of cells will become the specialized extraembryonic membranes during embryonic development?
Which group of cells will become the specialized extraembryonic membranes during embryonic development?
What is the role of the hypoblast during embryonic development?
What is the role of the hypoblast during embryonic development?
During placenta formation, which layer is mitotically inactive?
During placenta formation, which layer is mitotically inactive?
Where does the implantation process occur during embryonic development?
Where does the implantation process occur during embryonic development?
What is the first event that marks the beginning of gastrulation?
What is the first event that marks the beginning of gastrulation?
Which structure defines the rostro-caudal and medial-lateral axes of the embryo during gastrulation?
Which structure defines the rostro-caudal and medial-lateral axes of the embryo during gastrulation?
During gastrulation, what process involves a cellular epithelial-to-mesenchymal transition?
During gastrulation, what process involves a cellular epithelial-to-mesenchymal transition?
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