Recent Examples of blastocyst from the Web
The team allowed the fertilized cells to develop into blastocysts—the stage at which embryos are usually implanted into the mother during fertility treatments.
The goal is to assess cellular development and move these embryos to blastocyst stage (a more complex embryo structure made up of about 200 cells) on Day 5.
The team then took stem cells from rats and injected them into pig blastocysts.
These add-ons include blastocyst culture, where the embryo is allowed to grow in the lab for five days instead of the usual three, before being transferred to a woman’s uterus.
The researchers then attempted a similar procedure injecting rat stem cells into pig blastocysts.
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