"Early embryogenesis" refers to the very beginning stages of development in an embryo, shortly after fertilization. It includes the processes and changes that occur as the embryo develops into a more complex organism. Full definition
Each colored circle in the image shows one of the embryo's cells, and the corresponding tail indicates that cell's movement over a short time interval during early embryogenesis (at around 3 hours post-fertilization). (sciencedaily.com)
Shp2, for example, plays an essential role in early embryogenesis and is also known to play a role in cancer. (sciencedaily.com)
Not only by providing evidence that epigenetic modifications in flies can be transmitted down through generations, but moreover by revealing that epigenetic marks transmitted from the mother are a fine - tuned mechanism to control gene activation during the complex process of early embryogenesis. (sciencedaily.com)