DESARROLLO RENAL URINARIO Flashcards

1
Q

Sistema urogenital se forma a partir de

A

Tejido mesodermico

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2
Q

Tres sistemas del sist. Urogenital

A

Pronefros
Mesonefros
Metanefros

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3
Q

Se forma en regiones torácicas y lumbar

A

Mesonefros

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4
Q

Se forma en región cervial

A

Pronefros

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5
Q

Aparece en semana 4 y es transitorio

A

Pronefros

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6
Q

Aparece en semanas 4-8 y es transitorio

A

Mesonefros

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7
Q

Función de mesonefros

A

Función renal

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8
Q

Mesonefros dan origen a

A

Conductos mesonéfricos

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9
Q

Sistema colector transitorio

A

Conductos mesonéfricos

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10
Q

Sexo masculino vas deferens y vesículas seminales

A

Conductos mesonéfricos

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11
Q

Etapa de desarrollo de metanefros

A

Semana 5 en
adelante

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11
Q

Semana de inicio de función renal de metanefros

A

Semana 9

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12
Q

Derivados de metanefros

A

Riñón definitivo
Uretero, pelvis
renal, cálices,
túbulos
colectores

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13
Q

Riñón definitivo

A

Metanefros

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14
Q

Tiene origen de extremo cefálico del yema ureteral

A

Sistema colector urinario

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15
Q

Las 4 primeras generaciones de divisiones ocurren en

A

Semanas 4 a 6 – 16
ramificaciones

16
Q

Fusión origina los

A

Cálices mayores

17
Q

Las 4 segundas generaciones de divisiones inician

A

Semana 7 (cálices menores)

18
Q

Origen de las nefronas

A

blastema metanéfrico

19
Q

Desarrollo de nefronas inicia

A

Semana 5

20
Q

Semanas de incremento en nefronas

A

Semanas 10 a 18

21
Q

Desarrollo de nefronas termina

A

Semana 32

22
Q

de nefronas por riñón

A

Formación de 400,000 a 2 millones

23
Q

Al final de la gestación presenta lobulaciones fetales

A

Riñón

24
Q
A