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Jul 20, 2023, 3:00 pm167 ptsTrending
PHYSorg
Gastrulation, the process where an embryo reorganizes itself from a hollow sphere into a multilayered structure, is considered a "black box" of human development. This is because human embryos are typically not cultured for longer than 14 days because of bioethical concerns, and gastrulation occurs between 17-…
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