Nervios periféricos y plexo braquial Flashcards

1
Q

¿Cuántos son?

A

31 pares

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2
Q

División

A
8 cervicales
12 torácicos
5 lumbares
5 sacros
1 coccigeo
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3
Q

Malla de nervios

A

Plexo (en algunos niveles se forman)

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4
Q

Función de los plexos

A

Permiten que fibras de distintos segmentos se distribuyan

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5
Q
Formado por:
C1
C2
C3
C4
Inerva:
Cuello
Nuca
Hombros
Diafragma
A

Plexo cervical

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6
Q

Nervio más relevante del plexo cervical

Reciben fibras de C3, C4 y C5

A

Nervio frénico

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7
Q

Función del nervio frénico

A

Inerva al diafragma permitiendo su contracción- ventilación

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8
Q
Formado por 
C5
C6
C7
C8
T1

Inerva al miembro torácico

A

Plexo braquial

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9
Q

Nervios importantes del plexo braquial

A
Nervio axilar
Nervio músculo-cutáneo
Nervio radial
Nervio mediano
Nervio cubital o ulnar
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10
Q

C5, C6
Motor del deltoides
Sensitivo posterolateral del brazo

A

Nervio axilar

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11
Q

C5, C6, C7
Motor del bíceps
Sensitivo de la cara externa del antebrazo

A

Nervio músculo- cutáneo

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12
Q

C5, C6, C7, C8, T1
Motor del tríceps y antebrazo posterior
Sensitivo de cara posterior del brazo, antebrazo y mano

A

Nervio radial

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13
Q

C5, C6, C7, C8, T1
Motor de región motora anterior del antebrazo y mano
Sensitivo de una porción limitada lateral de la mano

A

Nervio mediano

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14
Q

C8, T1
Motor de la mano
Sensitivo en la mano

A

Nervio cubital o ulnar

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