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SUPRARRENALES Flashcards

(12 cards)

1
Q

Hormonas producidas

A

ADR (adrenalina, correr)
NADPH (noradrenalina, ansiedad)
ASH (aldosterona)
ACTH (cortisol)
DHEAS (deshidroepiandrosterona sulfato)

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2
Q

Zonas

A

-Z. Glomerular (perímetro)
-Z. Fasciculada (+ abundante)
-Z. Reticular (envuelve a medula)
-Medula

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3
Q

Ubi, drenaje e irrigación

A

-Arriba de riñones
-D: V. Suprarrenal derecha
-I: Arteria frénica inferior, Aorta abdominal y Arteria renal

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4
Q

Principales transportadores

A

CGB y albumina

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5
Q

Z. Glomerular

A

-ASH
-SRAA
-Receptor Gs
- Regula Na y K
-ASH SUCEDE PORQUE NO HAY 17-ALFA HIDROXILASA
- La +: bajo Na, alto K y ACTH
- La -: hipocalcemia, péptido natriurético auricular, DA y heparina

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6
Q

Efectos ASH

A

-+ VS
-Angiotensia II, vasoconstricción

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7
Q

Z. Fasciculada

A

-Andrógenos y ACTH
-N. Paraventricular, Adeno
- ACTH –> Cortisol
-POMC (pre hormona de ACTH)
- La +: estrés prolongado e hipoglucemia

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8
Q

Efectos ACTH

A

-Gluconeogénesis
-Catabolismo en músculos
-Lipolisis
-Resistencia al estrés
- Antiinflamatorias
-Inhibición de sistema inmune
- + PA

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9
Q

Z. Reticulada

A

-DHEA, ayuda a producir testo y estro, SON HORMONAS SEXUALES DEBILES
-N. Paraventricular, Adeno
-

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10
Q

Efectos DHEA

A

M:
-+ libido
- Produce estrógenos
-+ vello
- crecimiento de pechos (poco)

H:
-Desarrollo masculino
-Espermatogénesis
- -grasa
- + masa muscular
- + vello
- + libido

ENFERMEDAD DE CUSHING Y ADDISON

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11
Q

Medula

A

-Hecha de tejido neuronal
- SNA, Flight or fight
-Produce catecolaminas (DA, NADPH, EPI ?)
- EPI (adrenalina) +, NADPH -
-Células cromafines
- Las +: Flight or fight y estres en corto tiempo
-ALBUMIINA ES TRANSPORTADOR

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12
Q

Efectos de EPI y NADPH

A

-+ FC
- Contrae y relaja musculo
-+ glucosa y AG en sangre
- + consumo de 02
-+ calor

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