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Paso 10

Limites medula espinal Superior: decusacion de las pirámides Inferior: cono medular
Limites engrosamiento cervical Segmento medular C4 a T1
Limites engrosamiento lumbosacro Segmentos L1 a S2
Limites cono medular Debajo L1 o unión con L2
Limites sacó dural Desde el agujero magno hasta la 2-3 vértebra sacra
Surcos medula Fisura media anterior, surco anterolateral, surco medio posterior, surco postrero lateral, surco intermedio posterior
Donde se encuentra el surco intermedio posterior Sobre la segunda vértebra toracica, entre los surcos posterolateral y medio posterior.
Limites asta posterior de la medula Niveles T1 y L2
Núcleos y funcion del asta latera de la medula espinal ? Núcleo intermedio lateral — visceromotor
Nucleos del asta anterior de la medula espinal Núcleos motores
Núcleos del asta posterior de la medula espinal Núcleo marginal posterior Núcleo propio Núcleo posterior (a nivel de T1 y L3)
Cordones de la medula? Cordones posteriores (derecho/izq) Cordones laterales Cordones anteriores (derecho/izq)
Drenaje venoso de la medula espinal? 6 colectores unidos entre si por anastomosis verticales y transversales. Drenan hacia los plexos intervertebrales en el espacio epidural.
Meninge avascular? Aracnoides
Que meninge forma el saco dural? Duramadre
Meninge por la cual circula el LCE? Aracnoides
Meninge que forma el ligamento dentado? Piamadre
Fibras aferentes somáticas generales (ASG) Llevan información sensitiva desde la piel, músculo, hueso y articulaciones hasta el SNC.
Fibras aferentes viscerales generales (AVG) Llevan información sensitiva desde los órganos viscerales hasta el SNC.
Fibras eferentes somáticas generales (ESG) Llevan información motora desde el asta anterior hasta los músculos esqueléticos.
Fibras eferentes viscerales generales (EVG) Llevan información motora desde el asta lateral a través de los ganglios paravertebrales o prevertebrales, hasta las glándulas, músculo liso y órganos viscerales.
Limites Bulbo superior: surco bulbopontino Inferior: decusacion de las pirámides
Respuestas del Bulbo ? Sistema nervioso autónomo (presión arterial, quimireceptores, baroreceptores)
Limites Puente? Superior: surco ponto mesencefalico Inferior: surco bulbopontino
Limites mesencefalo? Inferior: surco ponto mesencefalico Superior: sustancia perforada posterior Laterales: tractos ópticos
Funciones cerebelo? Manutención del equilibrio y postura Regulación tono muscular Coordinación y sintonización de movimientos voluntarios Coordinación del sistema somático involuntario
Created by: Franmachmar



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