Page 80 - PRECONGRESS COURSE 04

Does the epithelium have an active role once stable attachment has been achieved?
• Does it promote de novo gene expression in attaching embryos?
• Primary syncytiotrophoblast appears during the human embryo‐epithelial interaction
Mouse embryo implantation in vitro actin/nuclei
16h
activated, stably attached blastocyst
Trophoblast giant cell morphology
Upper section
Lower section
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