metabolismo cerebral
TRANSCRIPT
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Metabolismo cerebralJosue Neri Peña
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Temas a tratar
Metabolismo glucosaMetabolismo piruvatoMetabolismo ácidos tricarboxilicosMetabolismo glutamina-glutamatoMetabolismo cerebral generalImportancia del oxigenoDieta
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Generalidad
10% de la glucosa arterial. 5mg/100g/min
50% del oxigeno en arteria 3-5ml /100g/min
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Flujo Sanguíneo y Velocidad Metabólica en un Hombre Adulto Joven Normala
a Basado en datos derivados de la literatura, en Sokoloff.
FunciónPor 100 g de tejido
cerebralPor cerebro (1,4 kg)
Flujo sanguíneo cerebral (mL/min)
57 798
Consumo de O2 del cerebro (mL/min)
3.5 49
Utilización de glucosa por el cerebro (mg/min)
5.5 77
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glucolisis
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Piruvato-lactato
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Glu
tam
ato
glu
tam
ina
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oxigeno
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relaciones
Astrocito
Neurona
BHE
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Ciclo completo
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dieta
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concluciones
El astrocitoLa neuronaRestablecimientoMetabolismoCUIDATE
GRACIAS