Cycle menstruel Flashcards

1
Q

Cycle menstruel

A

1- Folliculaire
2- Ovulatoire
3- Lutéale

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2
Q

Quelle phase est variable en temps?

A

Phase folliculaire

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3
Q

Durée de la phase lutéale

A

14 jours

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4
Q

Comment mesurer la sécrétion pulsatile de la GnRH

A

Mesure de LH

courte demi-vie de GnRH=2-4min

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5
Q

Stimulation cellule thèque

A

LH

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6
Q

Stimulation cellules granulosa

A

FSH

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7
Q

Pic oestrogène

A

24-36h avant l’ovulation

= pic de LH 12h avant ovulation

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8
Q

Follicule dominant

A

= peut ovuler

- Avantage: plus de réception FSH (+ grande prolifération de la granulosa)

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9
Q

Pic de progestérone

A

8-9 jours après ovulation

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10
Q

HCG

A

Contrecarrer la dégradation du corps lutéal

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11
Q

Régression lutéale

A

si pas de HCG

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12
Q

Région de l’endomètre qui prolifère

A

Déciduale fonctionnelle

déciduale basale = couche profonde

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13
Q

Androgène

A

Précurseurs des oestrogènes

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14
Q

Fréquence des cycles

A

21-35 jours

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15
Q

Quantité flux menstruel

A

5-80 cc

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16
Q

Quantité flux menstruel

A

5-80 cc (changement serviette au 4h)

17
Q

Les cycles sont plus réguliers entre 20 et 40 ans car ce sont des cycles

A

ovulatoire