Implantation Flashcards
1
Q
What are the events of implantation?
A
hormonal priming
Attachment ]growth into uterine tissue (man) or engulfed by tissues (mouse)
Formation of decidua
Immunological tolerance
2
Q
At what time does the embryo implant in humans and mice?
A
Human = 4 days (E7) Mouse = 24 hours (E4)
3
Q
Why is the timing of implantation important ?
A
short window for attachment
Uterus primed to accept embryo at this time
Rise in estradiol and progesterone from corpus luteum ( to form the decidua)