embryologie Flashcards

1
Q

endroit de la fertilisation ?

A

ampoule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

vitesse de deplacement des spz?

A

2-3mm/min

prend 5-45min rejoindre trompe ampoule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

quel sont les 2 phases de la fertilisation?

A
  • passage de la corona radiata avec hyaluronidase de acrosome
  • penetration zone pellucide avec acrosine (entraine impermeabilité)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

jour 3, ou est le developpement?

A

morula : 12-32 cellules

entre dans uterus (jour 3-4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

JOUR 4 ou est le developpement?

A

blastocyste!!

formation de la cavité blastocyste : separe en trophoblaste et embryoblaste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

jour 5 : que ce passe t il?

A

degenerescence zone pellucide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Jour 6 que ce passe t il?

A

implantation (jour 6-7)

trophoblaste se separe en cyto (interne) et syncitio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Jour 8, que ce passe t il?

A

formation caviye amniotique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

jour 9 que ce passe t il?

A

yolk sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

jour 10, que ce passe t il?

A

formation du disque embryonnaire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

debut de la circulation uteroplacentaire se fait quand?

A

jour 12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

duree de la spermatogenese?

A

65-75 jours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ovocyte sont arreter en quelle phase?

A

prophase 1

metaphase 2 ensuite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

qu’est ce que la gastrulation?

A

formation des 3 couches : ectoderme

endoderme mesoderme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

que provient de ectoderme?

A

peau
tube neurale
crete neurale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

que provient de endoderme?

A

intestin
cloaque
ORL

17
Q

d’ou provient le coeur?

A

mesoderme

18
Q

quand se fait la neurulatioN?

A

fin jour 28 (sem 4)

19
Q

quand sont les premiers battement du CF?

A

jour 21 22

20
Q

quand se fait la réduction de hernie abdo?

A

a 12 sem

rotation antihoraire de 270 degre