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Gastroenterología > Generalidades esófago > Flashcards

Generalidades esófago Flashcards

1
Q

Longitud

A

25- 30 cm
C6-T11
D: 2 cm

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2
Q

Segmentos

A

Cervical
Torácico
Abdominal

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3
Q

Hiato esofágico

A

Apertura diafragmática a nivel de la décima vértebra torácica (T10)
Esófago y el nervio vago

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4
Q

Esófago torácico

A

Extraperitoneal

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5
Q

Esófago abdominal

A

intraperitoneal

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6
Q

Esfínteres esofágicos

A

Superior
Inferior

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7
Q

Esfínter esofágico superior

A

L: 2-3cm
Formado por fibras del m. cricofaríngeo
P: 20-80 mmHg

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8
Q

Esfínter esofágico inferior

A

En el cruce c/ diafragma
1-2 cm encima de hiato diafragmático
P: 15-35mmHg
Fijación: ligamento frenoesofágico

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9
Q

Irrigación esófago

A

C: Ramas esofágicas superiores de a. tiroidea inferior
T: A. esofágicas medias y a. bronquilaes
A: A. esofágicas inferiores

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10
Q

Vena gástrica izquierda

A

En porción abdominal
Drena a circulación portal

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11
Q

Inervación

A

Extrínseca e intrínseca

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12
Q

Inervación extrínseca

A

N. vago
Fibras de ganglios simpáticos cervicales y torácicos

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13
Q

Inervación intrínseca

A

Plexo de Auerbach
Plexo de Meissner

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14
Q

Plexo de Auerbach

A

Alrededor de la circunferencia del intestino desde el esófago hasta el recto y controla la motilidad del tracto gastrointestinal

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15
Q

Plexo de Meissener

A

Submucosa

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Gastroenterología (31 decks)

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