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
J16
Creusement ligne primitive plus profond rostrale= dépression primitive (nœud primitif) Migration cellule epiblastiques=gastrulation
26
J26
Ligne primitive disparaît
27
Formation chorde
Processus notochordale ⤵️ Plaque notochordale ⤵️ Notochorde
28
J20-30
Les somitomères se transforment en somites (37) sauf les sept premières
29
Paires occipitales
4
30
Paires cervicales
8
31
Paires thoraciques
12
32
Paires lombaires
5
33
Paires sacrales
5
34
Paires coccygiennes
3
35
J17
Réseau vascu extra embryonnaire Planchnopleure extra embryonnaire
36
J18
Réseau vascu intra embryonnaire ⤵️ Mésoderme splanchnopleural intra embryonnaire Ébauches cardiaque Plaque neurale(rostrale)
37
J20
Renflement encéphale
38
J 11-13
Villosités choriales primaire
39
Délimitation
4e semaine
40
Développement mésoderme
4e semaine
41
Placodes optiques otiques
4e semaine
42
Bourgeons membres
4e semaine
43
Arc branchiaux pharyngiens
4e semaine
44
J22
Plicatures céphaliques (rostrale) 180° et latérales Tube unique-1er battement ♥️
45
J23
Plicatures caudales Prémices cloisonnement
46
Vésicule vitelline plicature
Zone vésicule vitelline pas de FUSION
47
Sclerotome
Vertebres
48
Myotome
Muscles tronc
49
Dermatome
Derme
50
J28
Reins définitifs Metanephros
51
Vésicule cérébrale 1aires
3 pdt S4 Proencephale Mesocephale Rhombencephale
52
J24
🦵🦵🦵🦵🦵🦵🦵
53
J28
🙌🙌🙌🙌🙌🙌🙌🙌🙌🙌🙌 Reins définitifs Metanephros
54
Nb arc pharyngiens visibles 4e semaine
3 sur les 5 Fin premier mois 4 sur 5