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HematopoieticSC 25Oct2011 [modalità compatibilità].pdf - HUMAN ...

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Ematopoiesi embrionale<br />

• Primitiva Primitiva-- --<br />

– Extra Extra-embryonale<br />

embryonale-nello nello yolk sac<br />

– Definizione: early site of first erythrocytes in<br />

the developing embryo. These cells can only<br />

develop into the erythroid cell not other blood<br />

cell lineages. Primitive red blood cells are<br />

larger than mature red cells of the definitive<br />

lineage, remain nucleated and express a<br />

unique set of hemaglobins.

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