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Cellules sanguines


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Coucou @Rania_K

Alors les îlots de Wolff sont des amas de cellules qui apparaissent dans le mésoblaste extra-embryonnaire. C'est à partir de ces îlots que vont se former les premiers vaisseaux et cellules sanguines! Les cellules en périphérie de l'îlot vont donner les parois des vaisseaux tandis que les cellules centrales vont former les premières cellules sanguines (à ce stade nuclées, elles deviendront anuclées en fin de grossesse).

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J'espère que c'est un peu + clair! Bon courage

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