Stem cells in human embryos commit to specialization surprisingly early



Image showing colonies of cells, showing differentiation in the first germ layers. Green is Cdx2 (trophoblast marker), Red is BRY (mesendoderm marker) and Blue is Sox2 (ectoderm marker)…more Credit: The Francis Crick Institute
https://phys.org/news/2020-04-stem-cells-human-embryos-commit.html

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