Ovulation and Fertilisation Flashcards
1
Q
what does smooth walls in follicles wall cause
A
tension
2
Q
and what else helps aids rupture
A
presence of collagen degrading enzymes
3
Q
what does this then release
A
cumulus - ooocyte complex
4
Q
what part of the sperm binds to the oolemma
A
sperm cell membrane
5
Q
what does this binding cause
A
depolarisation and calcium influx
6
Q
what does the trophoblast form
A
embryonic portion of the placenta
lateral cell surface - with gap jucntion
