TIROIDES Flashcards

1
Q

Foliculo tiroideo esta constituido por…

A

Cavidad central rellena de coloide

Celulas epiteliales cuboides (tirocitos)

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2
Q

Que producen las celulas parafoliculares o celulas C

A

Calcitonina

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3
Q

Proteina especifica de tirocitos, en coloide

A

Tiroglobulina (Tg)

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4
Q

5 pasos para la sintesis de hormonas tiroideas

A
  1. Captacion de yoduro
  2. Oxidacion de yoduro
  3. Salida de yoduro
  4. Yodacion de la tiroglobulina
  5. Acoplamiento
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5
Q

Elementos para la sintesis de hormonas tiroideas

A
  1. Yodo
  2. Tiroglobulina
  3. Tiroperoxidasa
  4. Peroxido de hidrogeno
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6
Q

Cantidades minimas necesarias de yodo

A

90/100 ug/dia en niños

150 ug/dia en adultos

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7
Q

66% de yoduro circulante se excreta por:

A

Riñón

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8
Q

33% de yoduro circulante captado por:

A

Tiroides

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