physio du cycle menstruel Flashcards

1
Q

progesterone à un effet …. pdt phase luteale

A

anti prolifératif

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2
Q

follicules =

A

1 ovule entouré de cellules de soutien. cellule de granulosa et thèque

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3
Q

qu’est ce qui produit inhibine B

A

follicules immature

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4
Q

qu’est ce qui produit inhibine A

A

follicules pré ovulatoire et et le corps jaune

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5
Q

qu’est ce qui produit AMH

A

follicules antraux

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6
Q

2 méthodes pour évaluer le stock folliculaire

A
  • dosage AMH

- comptage follicules antraux à l’échographie

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7
Q

androgène =

A

testostérone et delta 4 androsténedione

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8
Q

qu’est ce qui produit androgène :

A

cellules de la thèque des follicules en croissance

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9
Q

libération GnRH pulsatile ou continue?

A

pulsatile

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10
Q

que se passe-t-il si libération continue de GnRH

A

désensibilisation

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11
Q

FSH et LH sont des

A

glycoprotéines et des gonadotrophines

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12
Q

demi vie FSH

A

150 min

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13
Q

demi vie LH

A

60 min

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14
Q

est ce que LH et FSH interviennent dans croissance folliculaire basale ?

A

non

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15
Q

comment est rétrocontrôle progestérone

A

toujours négatif au nv surtout hypothalamique

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16
Q

principale hormone qui stimule prolifération d’oestradiol?

A

FSH