Motilidad Intestinal Flashcards

1
Q

Potenciales de ondas lentas

A

En reposo
c. de Cajal
Determinan ritmo de contracciones de TGI
Controlan aparición de espigas

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2
Q

Marcapasos intestinal

A

c. intestinales de Cajal

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3
Q

Potenciales en espiga

A

Se generan si hay > -40mV
Por par X
Mediado por canales Ca-Na
Producen contracción muscular

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4
Q

Ritmo de espigas

A

1-10 / seg

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5
Q

Frecuencia de ondas lentas

A

3-12 / min

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6
Q

¿Quiénes forman el SNentérico?

A

Plexo de Auberbach
Plexo de Meissner

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7
Q

Plexo de la secreción

A

Meissner

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8
Q

Plexo de la motilidad

A

Auberbach

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9
Q

Inervación parasimpática del TGI

A

Craneal
Sacra

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10
Q

Inervación parasimpática CRANEAL del TGI

A

Principalmente por par X
Hasta 1ra mital del intestino delgado

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11
Q

Inervación parasimpática SACRA del TGI

A

Nervios pélvicos
Inerval de mitad distal del intestino delgado hasta ano

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12
Q

Estimulación simpática de TGI trayecto

A

T5-L2→fibras pregang.→gang. paravertebrales→gang. prevertebrales (celiaco y mesentéricos)→fibras postgang.→TGI

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13
Q
A
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