Descriptions of the embryo go back at least to the time of Aristotle, but it has only been since the late 19 th century and early 20 th century that advances in experimental approaches allowed ...

The dialogue findings provide an initial snapshot of public opinion on human embryo research, and that of stem cell embryo models, and aim to inform future public consultation, policy development and ...

What do the earliest stages of a pregnancy look like? Embryonic development has been extensively studied, but most of our knowledge of the earliest stages of a growing baby come from stationary ...

Researchers have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four weeks after fertilization. This is ...

The role of the human yolk sac in supporting early embryonic development and the first wave of the prenatal immune system has been mapped in a study published today (17 August) in Science. Researchers ...

This study characterizes the molecular interactions and functions of human PRDL and other transcription factors in embryonic genome activation (EGA), revealing more than 1,000 high-confidence ...