Pancreas Flashcards

1
Q

Peso del panceas

A

60-100 gr

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2
Q

irrigacion del panceas

A

tronco celiaco y arteria mesenterica superior

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3
Q

Inervacion del pancreas

A

Fibras simpaticas y para simpaticas

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4
Q

cantidad de insulina sintetizada y resultante por dia

A

60-40 UI—-> 50% degradada en el higado por insulinasas pancreaticas —> 30 UI—> 1/3 degradada en el rinon por insulinasas renales —> 20 UI

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5
Q

Localizacion del panceas

A

cavidad abdominal, se dirige de derecha a izquierda, de arriba hacia abajo

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6
Q

celulas del pancreas y que producen

A
Alfa: glucagon
beta: insulina
D1: somatostatina
D2:VIP
D3: pp
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7
Q

Estimulos de liberacion de la insulina

A

nutrientes

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8
Q

sintesis de insulina

A
alimento
senal del SN a celulas B pancreas
preproinsulina
proinsulina
insulina
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9
Q

peso y duracion de la preproninsulina

A

11500, dura segundos

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10
Q

Romper membrana celular se necesita

A

colagenasas y bomba de calcio

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11
Q

Proinsulina esquema

A

adena A Y B + peptido c. Se liberan juntas

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12
Q

cuantificar insulina

A

peptido c

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13
Q

Fases liberacion de insulina

A

libera insulina de comida anterior (10 minutos)=fase 1

se produce insulina nueva al mismo tiempo se libera la vieja = fase 2

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14
Q

Acciones de la insulina

A
favorece la lipogenesis
disminuye niveles de glucosa en sangre
mantiene el control de los acidos grasos dentro del adiposito
favorece captacion de aa por el musculo
favorece la sintesis de proteinas
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15
Q

organos con receptores de insulina

A

tejido adiposo, hígado y musculo

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