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METABOLISMO DEL HIERRO

METABOLISMO DEL HIERRO. HIERRO HEMO. Fe+ 2 , BILIRRUBINA IX + CO Fe + 2 (oxida) + Transferrina. REGULACIÓN Y EXCRECIÓN. - DEPÓSITOS + INGRESA EN EL PLASMA. ABSORCIÓN. RESERVA DE DEPOSITO O ERITROPOYETICA. HIERRO NO HEMO

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METABOLISMO DEL HIERRO

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  1. METABOLISMO DEL HIERRO • HIERRO HEMO Fe+2 , BILIRRUBINA IX + CO Fe +2 (oxida) + Transferrina REGULACIÓN Y EXCRECIÓN - DEPÓSITOS + INGRESA EN EL PLASMA ABSORCIÓN RESERVA DE DEPOSITO O ERITROPOYETICA • HIERRO NO HEMO • +QUELANTE Fe+2+ PROT. UNIÓN + TRANSFERRINA PERDIDAS DE 1mg/dia = HECES MÍNIMAS ALMACENAMIENTO • FERRITINA • HEMOSIDERINA HÍGADO Y BAZO CICLO Y TRANSPORTE MITOCONDRIA DE LOS ERITROBLASTOS HEMO + PROTOPORFIRINA IX

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