Tema 6. Estómago Flashcards

1
Q

Tronco celiaco

A

Esplénica
Gástrica izquierda (Coronario-estomáquica)
Hepática común

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2
Q

Irrigación de la curvatura mayor

A

Arteria gastroepiploica izquierda que proviene de la arteria esplénica como los vasos cortos

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3
Q

Arteria gástrica izquierda irriga

A

Porción inferior del esófago y parte derecha superior del estómago

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4
Q

Arteria hepática común da

A

Arteria hepática propia –> Gástrica derecha

Arteria gastroduodenal –> Gastroepiploica derecha

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5
Q

Nervio criminal de Grassi

A

Recurrente del vago hacia el esófago que puede generar recurrencias de úlceras pépticas

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6
Q

Secreción del factor intrínseco

A

Células parietales u Oxínticas

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7
Q

El ácido se secreta en…

A

Las células parietales

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8
Q

Células principales secretan

A

Pepsinógeno 1

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9
Q

Estimulan la secreción ácida H+

A

Acetilcolina
Gastrina
Histamina

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10
Q

Inhiben la secreción ácida H+

A

Somatostatina y PG
Secretina
Enterogastronas

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11
Q

Estudio de la secreción ácida

A

Pentagastrina
Pepsinógeno
Comidia ficticia

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12
Q

Prostaglandinas

A

A dosis bajas: Efecto citoprotector

A dosis altas: Efecto antisecretor

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13
Q

Mediadores intracelulares

A

Calcio: Ach y gastrina
AmpC: histamina

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