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

and a bilaminar embryonic disc - one of the key hallmarks of this stage of embryo development. The hope is embryo models can help scientists explain how different types of cell emerge, witness the ...

In 1896, in his seminal work “The Cell in Development and Inheritance”, the cell biologist Edmund B. Wilson formulated a ...

A cell division resembling that of an animal embryo has been observed in a prehistoric unicellular organism, suggesting that embryonic development might have existed prior to the evolution of animals.

Around the 14th day of embryonic development, a key stage in human growth called gastrulation kicks off. Cells begin to organize into layers that form the early buds of organs. The primitive ...

Even more surprisingly, the way these cells divide and the three-dimensional structure they adopt are strikingly reminiscent of the early stages of embryonic development in animals. In ...