blastocytes การใช้
ประโยคมือถือ
- During the process of implantation, these vessels are eroded so that the blastocyte has access to maternal blood supply for nutrient exchange.
- At around day seven, the embryo ( which is known as a blastocyte ) becomes slightly more organized and secretes enzymes that allow it to implant itself in the uterine lining or endometrium.