Embryo Flashcards

1
Q

Segmentation

A

1er S

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2
Q

Compaction

A

1er semaine

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3
Q

Cavitation

A

Première semaine

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4
Q

Formation blastocyste

A

1er semaine

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5
Q

Eclosion

A

1er semaine

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6
Q

Segmentation=

A

Lent
Asynchrones
Holoblastique= total
Rotationnel
Asymétrique
Transition materno-embryonnaire

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7
Q

Nom épithélium périphérie morula

A

Trophectoderme

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8
Q

J5

A

Blastocele
Cavité liquide créé
Embryon->blastocyste
ZP disparaît

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9
Q
A
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10
Q

Eclosion =

A

Stypsine attaque ZP
Aug P°
Rupture ZPpole anti embryonnaire
♾️💨

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11
Q

Nidation

A

2e semaine

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12
Q

Disque embryonnaire didermique

A

2e semaine
Epiblaste dorsal
Hypoblaste ventral

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13
Q

Formation cavité amniotique

A

2e semaine
BMP

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14
Q

Formation vésicule vitelline

A

2e semaine

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15
Q

Étapes nidation

A

Orientation
**Apposition **(glycogène/ L selectines dispa locale glycocalyx)
Adhésion (integrines dispa tot glycocalyx)
Franchissement (integrine α1β1 selectines metalloptase, actiplasminogene)
Interaction chorion

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16
Q
A
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17
Q

J9

A

Mb heuser
Del Vésicule vitelline 1aire
Lacunes remplisse sang maternel

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18
Q

Gastrulation

A

3e semaine

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19
Q

Somites

A

Commencent 3e semaine

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20
Q

Neurulation primaire

A

3e semaine

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21
Q

Arbre vascu

A

3e semaine

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22
Q

Ébauche cardiaque

A

3e semaine

23
Q

Allantoïde

A

3e semaine

24
Q

J15

A

Ligne primitive dvt direction rostrale moitié longueur disque embryonnaire

25
Q

J16

A

Creusement ligne primitive plus profond rostrale= dépression primitive (nœud primitif)
Migration cellule epiblastiques=gastrulation

26
Q

J26

A

Ligne primitive disparaît

27
Q

Formation chorde

A

Processus notochordale
⤵️
Plaque notochordale
⤵️
Notochorde

28
Q

J20-30

A

Les somitomères se transforment en somites (37) sauf les sept premières

29
Q

Paires occipitales

30
Q

Paires cervicales

31
Q

Paires thoraciques

32
Q

Paires lombaires

33
Q

Paires sacrales

34
Q

Paires coccygiennes

35
Q

J17

A

Réseau vascu extra embryonnaire
Planchnopleure extra embryonnaire

36
Q

J18

A

Réseau vascu intra embryonnaire
⤵️
Mésoderme splanchnopleural intra embryonnaire
Ébauches cardiaque

Plaque neurale(rostrale)

37
Q

J20

A

Renflement encéphale

38
Q

J 11-13

A

Villosités choriales primaire

39
Q

Délimitation

A

4e semaine

40
Q

Développement mésoderme

A

4e semaine

41
Q

Placodes optiques optiques

A

4e semaine

42
Q

Bourgeons membres

A

4e semaine

43
Q

Arc branchiaux pharyngiens

A

4e semaine

44
Q

J22

A

Plicatures céphaliques (rostrale) 180° et latérales

Tube unique-1er battement ♥️

45
Q

J23

A

Plicatures caudales

Prémices cloisonnement

46
Q

Vésicule vitelline plicature

A

Zone vésicule vitelline pas de FUSION

47
Q

Sclerotome

48
Q

Myotome

A

Muscles tronc

49
Q

Dermatome

50
Q

J28

A

Reins définitifs
Metanephros

51
Q

Vésicule cérébrale 1aires
3 pdt S4

A

Proencephale
Mesocephale
Rhombencephale

52
Q

J24

A

🦵🦵🦵🦵🦵🦵🦵

53
Q

J28

A

🙌🙌🙌🙌🙌🙌🙌🙌🙌🙌🙌

54
Q

Nb arc pharyngiens visibles 4e semaine

A

3 sur les 5
Fin premier mois 4 sur 5