control de la sécrétion hormonale Flashcards

1
Q

nom hypophyse antérieur

A

adénohypophyse

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2
Q

nom hypophyse postérieur

A

neurohypophyse

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3
Q

Le noyau arqué de l’hypothalamus

A

Produisent les hormones hypophysiotropes
agissent sur hypophyse
On appelle aussi cette partie neurosécrétrice

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4
Q

Les noyaux paraventriculaires et supraoptiques

A
ocytocine et vasopressine
 On l’appelle aussi le système magnocellulaire
résine agissent directement sur les
organes effecteurs 
dans post-hypophyse
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5
Q

hormones post-hypophysaires

A

vasopressine

ocytocine

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6
Q

action vasopressine

A

antidiurétique
effet vasoconstricteur
o La réabsorption rénale de l’eau
o L’hypertension artérielle

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7
Q

ocytocine

A

Provoque la contraction du muscle lisse utérin

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8
Q

hormone lobe intermédiaire hypophyse

A

mélanotropine (MSH)

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9
Q

GnRH

A

LH FSH

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10
Q

CRH

A

ACTH

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11
Q

GHRH

A

GH = facteur de croissance

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12
Q

TRH

A

TSH (hormone thyroïdienne) et prolactine = facteur de croissance

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13
Q

GHIH

A

inhibe production de GH

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14
Q

facteurs de croissance

A

GH et PRL

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15
Q

hormone avec récepteur transmembranaires lié à prot G

A

LH FSH TSH ACTH

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16
Q

organe cible TSH

A

thyroïde

17
Q

organe cible ACTH

A

surrénale

18
Q

organe cible GH

A

foie

19
Q

organe cible FSH/LH

A

gonades

20
Q

organes cibles MSH

A

peau

21
Q

facteur inhibiteur prolactine

A

PIF = dopamine

22
Q

facteur inhibiteur GH

A

somatostatine

23
Q

organe cible vasopressine

A

rein

24
Q

organe cible ocytocine

A

utérus