Because these blastoids only use ESCs derived from the epiblast, which becomes the embryo proper with germ layers, they model embryonic development’s pre-implantation period, up to seven days post ...

In utero, the blastocyst implants and all three embryonic germ layers are formed during gastrulation. Somatic stem cells are present in many fetal and post-natal tissues. Somatic stem cells are ...

Etemadi added: “These germ layers serve as the building blocks for all future organs and tissues in the embryo; any disruption during this stage can lead to significant structural birth defects due to ...

“These germ layers serve as the building blocks for all future organs and tissues in the embryo; any disruption during this stage can lead to significant structural birth defects due to the ...

A study published today (September 11) in Nature Ecology & Evolution suggests that instead of two distinct germ layers, cnidarians may indeed have three. The authors show that the mesendoderm of the ...