Introducción endocrino Flashcards

1
Q

Cascada de Gs:

A

Estimula adenilato ciclasa ➜ AMPc

Gi inhibe

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2
Q

Gq

A
  1. Fosfolipasa C
  2. Rompe fosfatidilinositol en
    * DAG ➜
    * IP3 ➜ regula Ca+
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3
Q

¿Dónde se sintetiza OT y ADH?

A

ADH = supraóptico
OT = paraventricular

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4
Q

Hormonas independientes del eje hipotálamo-hipófisis:

A
  • Paratiroides
  • Pancreáticas = insulina y glucagon
  • Melatonina
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5
Q

Regulan liberación hormonal (3)

A
  • Neural
  • Otras hormonas
  • Microambiente
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6
Q

Neurohormonas:

A

OT, ADH, dopamina, NE

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7
Q

Tipos de hormonas según su composición:

A
  • Liposolubles: esteroideas y tiroideas
  • Hidrosolubles: aminas, péptidos y proteínas y eicosanoideos
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8
Q

El perfil hormonal mide

A

Porción libre

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9
Q

Pasos de hipotálamo - hipófisis

A

Liberadora (R) = hipotálamo

Estimulante (S)/Trófica/Trópica = adeno

Órgano

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10
Q

¿A qué se refiere circulación porta?

A

No alcanza circulación general

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