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histologia Biomed > glandulas salivares > Flashcards

glandulas salivares Flashcards

1
Q

componentes organicos de la saliva

A

Ca,P,Na,K,F y I.

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2
Q

mucoproteina de la aliva que fija la vitamian b12

A

haptocorrina

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3
Q

amilasa de la saliva

A

ptialina

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4
Q

lipasa de la saliva

A

Von Ebner

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5
Q

enzimas bactericidas de la saliva

A

lactoferrina, lactoperoxidasa y lisozima

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6
Q

que sustancias secretan las porciones sero-mucosas y donde estan

A

sialomucina y sulfomucionas
- en ña submandibular

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7
Q

porciones muco-serosas

A
  • secretan mucoproteinas
  • estan en la sublingual
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8
Q

porciones de secreccion serosas

A
  • aprotida
  • rica en amilasas
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9
Q

conductos intercalares

A
  • epitelio monoestratificado cubico
  • hay mioepiteliales
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10
Q

conductos estriados

A
  • epitelio monoestratificado prismatico
  • mitocondrias dispuestas verticalmente
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11
Q

conductos intralobulillares

A
  • epitelio prismatico simple que se transforma en pseudo
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12
Q

conductos interlobulillares

A
  • pseudo
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13
Q

conductos lobulares

A
  • poliestratificado prismatico
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14
Q

conducto principal

A

poliestratificado plano

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15
Q

conducto de Stenon

A

parotida

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16
Q

Conducto de Wharton

A

Submaxilar

17
Q

conducto principal de la sublingual

A
  • Unico: Rivinus/ Bartolini
  • De 15/30: Walter
18
Q

ha que celulas llega la Ig A para convertirse en Ig A de secrección

A
  • secretoras
  • intercalares
  • estriadas
19
Q

que vierten las glandulas mucosas y serosas para formar la saliva isotonica

A
  • mucosa: sialomucinas y sulfuromucinas
  • serosa: proteinas ricas en
    • prolina
    • citeina: cistatinas
    • histaminas: histatinas
    • amilasa, lactoferrina y lisozima
20
Q

donde se genera la saliva hipotonica

A

en los conductos estriados

21
Q

como se genera la saliva hipotonica

A
  • reabsorbe Na y Cl = saliva hipotonica
  • Segrega CALICREINA (proteasa de la serina) que procesa cistatinas y proteinas ricas en prolinas
  • Produccion de bicarbonato: principal tampon
  • llega ig A y se genera la ig A de secreccion

histologia Biomed (22 decks)

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