Generalidades del sistema nervioso
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Transcript of Generalidades del sistema nervioso
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Dr. Franz M. Farfán C.
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Latín: nervus
Griego: neûron
“ESTRUCTURA DE TIPO FIBROSO”
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CELULA DEL SISTEMA NERVIOSO
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TIPOS
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SINAPSIS
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DIVISIÓN
SISTEMA NERVIOSO CENTRAL (C.N.C.)
SISTEMA NERVIOSO PERIFÉRICO (C.N.P.)
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SISTEMA NERVIOSO CENTRAL
Encéfalo.
Médula espinal.
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CORTE SAGITAL DEL ENCÉFALO
TELENCEFALO
DIENCÉFALO
MESENCÉFALO
PUENTE (Puente de Varolio)
BULBO RAQUIDEO
CEREBELO
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(S.N.C.) ENCÉFALO
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SISTEMA NERVIOSO PERIFÉRICO
Pares craneales.
Nervios raquídeos.
Nervios periféricos.
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S.N.C.Miles de millones de neuronas.
Células gliales. (Neuroglia)
Vasos sanguíneos.
Tejido conjuntivo.
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
C4 – D1
T10 – L1
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MEDULA ESPINAL
DECUSACIÓN DE LAS PIRAMIDES.
ANESTESIAS EPIDURAL O PERIDURAL.
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MEDULA ESPINAL
MENINGES: PIAMADRE ARACNOIDESDURAMADRES
42 – 45 cm.
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MEDULA ESPINAL
Grasa licuada: Espacio epidural o extradural.
Envoltura visceral
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MEDULA ESPINAL
Espapcio subaracnoideo
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
PLEXO VENOSO AMORTIGUADOR DE GOLPES
Ligamento dentado.
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
Raíces motoras Raíces sensitivas
Anterior Posterior
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ARCO REFLEJO
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
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MEDULA ESPINAL
DURAMADRE
PERFORACIONES
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GRACIAS