3° Parcial → Vías funcionales. Flashcards

1
Q

Vía dolorosa

A

Termoalgésica/Espinotalámica

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2
Q

Estímulos dolorosos nocireceptores

A

Físicos → mecánicos & térmicos

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3
Q

Estímulos químicos

A

Directos → H+, K+ ATP.
Mediadores → inflamación, citocinas, prostaglandinas, IL-1-6
Neurales → Sustancia P, glutamato.

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4
Q

Receptores sensoriales encapsulados

A

Mecano/termo receptores
Umbral variable
Intensidad del estímulo
Multimodales

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5
Q

Receptores sensoriales de terminales libres

A

Quimioreceptores
Umbral fijo
Sin intensidad
Unimodales.

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6
Q

Neurona de 1° orden vía dolorosa

A

Ganglio de la raíz dorsal → transducción

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7
Q

Neurona de 2° orden vía dolorosa

A

Asta posterior ME → Compuerta/reflejo

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8
Q

Neurona de 3° orden vía dolorosa

A

Tálamo → intensidad, emoción localización.

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9
Q

Corteza → giro postcentral (dolor)

A

Conciencia y tipo de dolor

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10
Q

Inhibición del dolor

A

Opioides
Compuerta/reflejo
Corteza prefrontal.

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11
Q

Vía motora

A

Corticoespinal/Piramidal

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