celulas del snc
TRANSCRIPT
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Eduardo León GarcíaAnatomía funcional del sistema nervioso.
Febrero 2012.Uaem.
La Neurona, Neuroglia, Neurotrasmisores y Sinapsis.
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Histología del Sistema Nervioso Central
Neuronas
Neuroglia
• Astrocitos• Oligodendrocitos y Células de
Schwann• Microglia• Células ependimarias
Estructura: Unipolares, Bipolares y Multipolares
Función: Sensoriales, Motoras o de asociación
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Neuroglía Astroglía
OligodendroglíaMicroglía
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Astroglía
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Especialización de la Neuroglía
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Astroglía
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AxónMielina CentralOrigen de la Mielina CentralOligodendrogía
Oligodendrocito
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Mecanismos de activación de la Microglía
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Células Ependimarias
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La Neurona
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Neuronas Simpáticas
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Partes de la Neurona
Funciones de los organelos celulares
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Estructura General de la Neurona
DendritasTelodendrón
Botón Axónico
Terminal axónica
Soma
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Neurona Piramidal Cortical
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AXÓN
Transporte Axónico
Neurona
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Axón
Fibra NerviosaMielínica Central
Fibra NerviosaMielínica Periférica
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Transmisión Nerviosa/Sinapsis
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Estructura de la Sinapsis Química
Partes de la Sinapsis
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La Sinapsis
Origen y destino de las vesículas
sinápticas
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Membrana de la neurona
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Fisiología de la Neurona
El Impulso Nervioso
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Fisología de la NeuronaImpulso Nervioso
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Fisología de la NeuronaImpulso Nervioso
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1.- Sistema Catecolaminérgico: epinefrina, norepinefrina y dopamina.2.- Sistema Serotoninérgico.3.- Sistema Colinérgico: Ac Co.4.- sistema de Aminoácidos: GABA y Glutamato5.- Neuropeptidos: endorfinas6.- Sistema Histaminérgico:
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Acción sináptica excitatoria e inhibitoria