Frog Embryo Development in Culture 3

Developing embryos of the African clawed frog, Xenopus laevis. For Froglapse2F, the embryos start out at a variety of stages and the movie covers approximately 36 hrs of development. For Froglapse3, all the embryos start out at the two-cell stage and the movie covers approximately 48 hrs at which time the embryos begin to hatch from the eggs. Xenopus laevis is widely used in biomedical research and many important discoveries regarding the mechanisms and molecules that control animal development were made using Xenopus.