A major breakthrough has been made in stem cell research with the development of a new method to grow chicken embryos without ...

Scientists have officially grown a notochord—the tissues that act as the “GPS for the developing embryo” by guiding the ...

This is an embryonic chicken penis (pseudocolored red) viewed under a scanning electron microscope. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

Efforts to observe chicken embryonic development date back to Aristotle ... the surface of the blastoderm (the area where ...

Researchers have answered a long-standing question in developmental biology by revealing the driving forces of the massive cell movements that occur during early embryonic development ...

Learn about our Editorial Policies. It is allowing people to do biochemistry with mammalian embryos that they couldn’t do otherwise. After a sperm fertilizes an egg, the totipotent cell divides into a ...