Recent studies have made significant strides in creating in vitro models that replicate key stages of embryonic ... development, providing a platform for understanding congenital disorders[4].

No one would ever confuse a human being with a mouse, a chicken, or an elephant, but at the very start of their different ...

Development is the process by which ... had close similarities as developing embryos. Many four-legged animals go through embryonic stages that have similar features -- gill arches, a notochord ...

Live imaging of embryos at different stages. Chromosomes are labeled in magenta. 4-cell sister blastomeres are shown, along with 3D-reconstructed images of 2-to-4-cell and 4-to-8-cell divisions.

Now - the clever bit. The cells on the inside layer of this very early embryo can make all of the cell types needed in your body. They're called stem cells. The stem cells continue to divide by ...