higado Flashcards

1
Q

celulas endotelilaes de loas capilares fenestrados del lobulillo hepatico

A
  • no membrana basal
  • poca reticulina
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2
Q

funcion hepatica

A
  • metaboliza porductos digestion
  • alm acena glucogenoi, grasa y vit A
  • mantiene niveles de glucosa
  • sintentiza la porteina plasmatica, glucosa y bilis
  • detoxificacoin
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3
Q

celulas on kuffer

A

citocinas pro-inflamatorias TNF-α, TGF-β e IL-6

se liberan por infeccion viral, alcohol o toxinas bacteriasns

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4
Q

q aparece en el espacio perisinusoidal

A
  • fibrillas colagenas = reticulo argirofilo
  • celulas de iti
  • microvellosidad de hepatocitos
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5
Q

funcion de la celula de ito

A
  • almacenan vit A
  • sintetizan coolageno 1 y componentes de la matriz
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6
Q

lisosomas del hepatocito

A
  • cerca del canaliculo biliar
  • renovacoin de organoides
  • almacenan hierro
  • almacenan materiales no digeribles en forma de lipofuchina
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7
Q

matriz del peroxisoma hepatico

A
  • ligeramente granular
  • catalasa
  • D-amino- oxidasa
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8
Q

nucleoide del hepatocito

A
  • estructura cristalina laminada
  • uratooxidasa
  • uiricasa
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9
Q

funciones del peroxisoma en el hepatocito

A
  • eliminar H2O2
  • metabolismo de purinas, lipidos y alcoholes
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10
Q

irrigacion sanguinea hepatica

A
  • de sinusoides de periferia hasat vena central = VENULA HEPATICA TERMINAL
  • de central a sublobulillares
  • vena hepatica
  • cava inferior
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11
Q

canales de hering

A
  • colangiolo periportal l forma
  • conductos corto qi ellebam de canaliculos a interlobulillares
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12
Q

colangiolos

A

son células ahusadas que luego se hacen cúbicas y presentan
microvellosidades cortas. Están rodeadas por una membrana basal

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13
Q

conductos biliares interlobulillares

A
  • cubicos y cilindricos con microvellopsidades
  • cromatian en forma de carro
  • vesiculas de picnosis
  • conectivo denso con fibras elasticas, cerca del hilio muchas musculares lisas
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14
Q

conductos extrahepaticos

A
  • apiteloio prismatico simple alto
  • lamina porpia oc glandulas tubulares
  • musculo liso
    ç- adventicia
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15
Q

epitelio de la vesicula biliar

A
  • prismatico mono
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16
Q

capa muscular de la vesicula biliar

A
  • transversal
  • longitudinal
  • oblicuo
17
Q

mecanismo de secreccion biliar

A
  • bilis al intestino tras un mecanismo reflejo causado por un estimulo (presenncia de lipido en la luz doudenal)
  • se liber colecistoquinina de enteroendocrinas = contraciones ritmicas
  • se relaja el esfinter de Oddi y sale