Adh/oxitocina Flashcards

1
Q

Estimos oxitocina

A

Eg2, distensión uterina, succión pezon, ach, agonista alfa adrendergico

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2
Q

Inhib oxitocina

A

Pg, agonistas b, opiáceos

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3
Q

Síntesis oxitocina

A

Paraventricular

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4
Q

Función oxitocina en mama

A

Aumenta ca intracel, eyección láctea por contracción cel mioepitial

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5
Q

Función oxitocina utero

A

Inh bomba ca\mg atpasa, aumenta ca intracel, estimula síntesis pg, contracción uterina

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6
Q

Pico de oxitocina

A

Sem 40 embaraZo

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7
Q

Estímulo + potente adh

A

Disminución 8% volemia

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8
Q

Estímulo + sensible

A

Aumento 2% Osm pl

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9
Q

Inh adh

A

Frío, alcohol, exceso glucocorticoides

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10
Q

Exceso de adh?

A

Sihad, síndrome de secr inadecuada

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11
Q

Disminución adh?

A

Diabetes insípida, cant exageradas de orina diluida

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12
Q

Acción adh sobre recept v1

A

En músculo liso e hígado, aumentan vasoconstricción, aumenta pa, glucogenolisis

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13
Q

Acción adh en recep v2

A

En riñón, induce absorción de agua libre y urea en tubulo contorneado distal y colector

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