Plexo Braquial Flashcards

1
Q

Ubicación del Plexo braquial

A

A nivel supraclavicular, entre los músculos escálenos anterior y medio

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2
Q

Relaciones y trayecto

A

Atraviesa la región inferolateral del cuello relacionándose con sus paredes y contenidos originando 3 troncos

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3
Q

Quien origina el 1º tronco primario

A

Raíces nerviosas de C4 se unen con la de C5, la C5 se une con la C6

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4
Q

Quien origina el 2º tronco primario?

A

únicamente las raíces nerviosas de C7

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5
Q

Quien origina el 3º tronco primario

A

Raíces nerviosas de C8 y T1

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6
Q

Quien origina el tronco secundário anteroexterno

A

1ro y 2do tronco primário

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7
Q

Quien origina el tronco secundário posterior

A

1ro, 2do y 3ro tronco primário

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8
Q

Quien origina el tronco secundário anterointerno

A

3ro tronco primário

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9
Q

Colaterales del plexo braquial

A
Anteriores: 
Tronco secundário anteroexterno 
TS anterointerno 
N. Pectoral mayor 
N. Pectoral menor 
N. Subclávio 
Posteriores:
Tronco secundário posterior 
N. Supraclavicular 
N. Del latissimus dorsi 
N. Del serratos mayor
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10
Q

Rama’s terminales

A

T S AE:
N. Músculocutaneo
Raiz ext. del mediano

T S Post.:
N. Circunflejo
N. Radial

T S AI: 
N. Cubital 
N. Braquial cutâneo interno 
N. Braquial cutâneo accessorio 
Raiz int. Del mediano
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