mesoblaste intermediaire Flashcards

1
Q

segmentation … du mésoblaste intermédiaire en …

A

INCOMPLÈTE

3 nephrotomes : pronephros mesonephros metanephros

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2
Q

origine embryonnaire commune de la gonade et du rein

A

mésoblaste intermédiaire

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3
Q

chronologie pronephros

A

FSDE3
SDE4

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4
Q

chronologie mesonephros

A

SDE4
FSDE5

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5
Q

chronologie metanephros

A

FSDE4
FSDE5

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6
Q

pronephros : j20 segmentation en …

A

7 paires de tubules pronephrotiques

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7
Q

pronephros J25

A

régression COMPLÈTE des tubules pronephrotiques ⭐️⭐️

à l’origine du canal de Wolff ⭐️⭐️

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8
Q

mesonephros j25

A

début de segmentation

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9
Q

mesonephros j28

A

30 paires de tubules mesonephrotiques

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10
Q

mesonephros j35

A

✔️régression d’une partie des tubules mesonephrotiques :
->persistance de 20 tubules ⭐️

✔️abouchement des tubules au niveau du canal de wolff

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11
Q

mesonephros va donner ..

A

le rein primitif

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12
Q

segmentation metanephros

A

ne se segmente pas

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13
Q

metanephros donne ..

A

le blastème métanéphrogène -> va donner rein définitif / futur rein

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14
Q

émission du diverticule urétéral du
…nephros à J?

A

metanephros
J28-32

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15
Q

émission du diverticule urétéral à partir de .. ?

A

à partir du canal de wolff et branchement au futur rein à l’origine des futures uretères

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