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Gastrulation


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Posted

Bonjour cet itemm me pose pb :

 

B : la 3° semaine est marquée par la gastrulation, étape qui permet le passage d’une structure plane discoide à une structure cylindrique Faux pq ?

 

Merci de vos rep

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Posted

Coucou @Lilou!

C'est faux car ça correspond à la définition de la délimitation qui a lieu lors de la 4ème semaine.

La gastrulation permet de former le disque embryonnaire tridermique 🙂 

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