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1.What are the relationships between epiblast, ectoderm and epidermis? When are they specified during mammalian development?2.Which tissues are developing from ectoderm?3.What are the four stages in the formation of neuroblast from a blastula cell?
4.What is the neural plate and how is it formed? Why did we talk (again) about Spemann’s organizer transplant experiment in this context?⇒