Tractos y síndromes espinales Flashcards

1
Q

Tracto corticoespinal

A

Descendentes
Motor
Cruza en piramides
Motoneuronas superiores de primer orden

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2
Q

Tracto de columna dorsal

A
Ascdente 
Sensitivo
Vibración, propiocepción y sensitivo
3er orden 
Cruza en medula oblongada 
    • hastas dorsales del ganglio
    • Medula oblongada decusan
    • Talamo a corteza
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3
Q

T.C.D Cuneiforme

A

Extremidades superiores

Hasta plexo braquial

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4
Q

T.C.D Gracil

A

Extremidades inferiores

La mayoría de la medula

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5
Q

Tracto espinotalamico

A

(Anterolateral)
Ascendente
Dolor y Temperatura
Cruzan en medula espinal

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6
Q

Segmentos

A

32 segmento
1 segmento = 1 nervio raquídeo

8 cervicales
12 torácicos
5 lumbares 
5 sacros 
1 coccigeo
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7
Q

Tranceccion completa medular

A
  • No columnas drosales (vibración, propiocepcion y sensividad)
  • No corticoespinal (motor)
  • No espinotalamico (dolor y temperatura9
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8
Q

Hemi-seccion Brown sequard

“la micha”

A

lado dañado:
Corticoespinal
columnas dorsales

lado no dañado (porque decías en la medula):
Espinotalamico

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9
Q

Sindrome espinal anterior

A
  • No corticoespinal

* No espinotalamico

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10
Q

Sindrome espinal posterior

A

*No columna dorsal

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11
Q

Sindrome espinal posterolateral

A
  • No columna dorsal

* No corticoespinal

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12
Q

Sindrome expansivo central espinal

A

se daña la region anterior de la medula, donde recusan los nervios del tracto espinotalamico.
Pero se da en la parte de extremidades superiores, normalmente por instrumentación.

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