‘First complete models’ of a human embryo made in the lab – Livescience.com

Scientists have created hollow spheres of cells that resemble human embryos in their earliest stages of development. The artificial embryos, called “blastoids,” could allow scientists to study early human development, infertility and pregnancy loss without experimenting on actual embryos.    
Two separate research groups created these model embryos using different methods, and each published their results March 17 in the journal Nature Portfolio. 
One research group
started with adult human skin
…

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