Watch a duméril's boa give birth! See the babies emerge from the amniotic sac in this close-up look at reptile reproduction at The Reptile Zoo! Six New States Now Able to Ban Residents from Using Food ...

Researchers have coaxed stem cells to grow into amniotic sacs filled with fluid 1. The model sacs, which grew to roughly the same size as a four-week-old sac surrounding a developing embryo, could be ...

A newly created cell model of the amniotic sac could reveal new insights into early pregnancy, as well as generate helpful products for medical use. When you purchase through links on our site, we may ...

Microscopy image of a PGA at day 8 showing the early tissues supporting the embryo, including the amniotic sac and the yolk sac-like structures, surrounded by (extra-embryonic) mesoderm tissue.