H. GASTRINA Flashcards

1
Q

Es Estimulada

A
  • Productos proteicos
  • Distensión estomacal (alimentos)
  • Estimulacion vagal
  • Peptido liberador de Gastrina
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2
Q

Es inhibida

A

pH gastrico acido

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2
Q

Lugar

A

Cel. G del antro-gastrico

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3
Q

Efecto que produce

A
  • Estimula la secreción de ácido gástrico
  • Estimula crecimiento de la mucosa gástrica
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3
Q

En exceso produce

A

-Síndrome de Zollinge-Ellison
- Úlceras pépticas
- Hemorragia gastrointestinal
- Reflujo gastroesofagico

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4
Q

Su deficiencia produce

A
  • Incapacidad en digerir alimentos
  • Crecimiento bacteriano descontrolado
  • Mala absorción de vitamina B12 (cobalamina)
  • Anemia perniciosa
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