Salut,
Le prof a dû se tromper dans la formulation puisqu'il s'agit bien, au niveau des villosités, d'1 veinule centrale et de 2 artérioles paracentrales. Dans le cordon ombilical, il y a 2 artères ombilicales et 1 veine ombilicale.
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Posted by Clélia,
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