Embriologia Sistema Respiratorio Flashcards

1
Q

El factor de transcripción TBX4 por quien es inducido?

A

Por el AR (Ácido Retinoico)

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2
Q

Que produce el mesonero adyacente?

A

AR (Ácido Retinoico)

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3
Q

Que viene del endodermo?

A

Laringe
Traquea
Bronquios
Pulmones

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4
Q

Como se forma el tabique traqueosofagico?

A

Por las dos crestas S.

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5
Q

Porque esta compuesto el tabique traqueosofagico?

A

Por la traquea y el esófago.

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6
Q

Por que nervio esta inervado el cartilago y el músculo?

A

Por el nervio craneal X

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7
Q

En que se transforman el 4to y 6to arco faringeo

A

Cricoides
Tiroides
Aritenoides
Todos son cartílagos

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8
Q

Por que se separan los canales pericardioperitoneal

A

Por la pleura pleuroperitoneal y pleuropericardial

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9
Q

La pleura parietal viene del mesodermo?

A

Mesodermo somático

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10
Q

Cuantas subdivisiones hay al final?

A

17 subdivisiones

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11
Q

De donde sale el diverticulo respiratorio?

A

De la pared ventral del intestino anterior

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12
Q

Cual es la diferencia de la pleura parietal y la visceral?

A

Que la visceral es la interna y la parietal la externa

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13
Q

Menciona las cuatro fases embrionarias?

A

Fase pseudoglandular
Fase canalicular
Fase saco terminal
Fase alveolar

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14
Q

Que semanas corresponde a cada fase?

A

Pseudoglandular (5 - 16)
Canalicular (16 - 26)
Saco terminal (26 al nacimiento)
Alveolar (8vo mes a la niñez)

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15
Q

Que sucede en cada fase?

A

Pseudoglandular (No hay bronquiolos y alveolos)
Canalicular (división bronquial)
Saco terminal (forman los sacos terminales)
Alveolar (capilares, microcirculacion)

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