Periodo Bilaminar Flashcards

1
Q

Segunda semana de gestación (días):

A

8-14

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2
Q

Día 8: el embrioblasto se diferencia en

A

Epiblasto

Hipoblasto

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3
Q

Capas que forman el Disco germinativo bilaminar

A

Epiblasto y Hipoblasto

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4
Q

En el interior del epiblasto aparece:

A

Cavidad amniótica

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5
Q

Día 8: el trofoblasto se diferencia en:

A

Citotrofoblasto

Sincitiotrofoblasto

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6
Q

En el sincitiotrofoblasto aparecen lagunas aisladas y forman otras de tamaño mayor

A

Periodo Laminar

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7
Q

Membrana delgada que se forma a partir del hipoblasto

A

Membrana Exocelómica (de Heuser)

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8
Q

Membrana exocelómica + hipoblasto

A

Cavidad exocelómica o saco de yolk o SACO VITELINO PRIMARIO

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9
Q

Se introduce más profundamente en el ENDOMETRIO y erosiona capilares maternos

A

Sincitiotrofoblasto

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10
Q

Se origina una nueva población celular entre el citotrofoblasto y membrana exocelómica

A

Mesodermo extraembrionario

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11
Q

Se forman cavidades dentro del mesodermo extraembrionario que posteriormente CONFLUYEN y forman

A

Celoma extraembrionario o cavidad coriónica

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12
Q

Capa de mesodermo extraembrionario que rodea al citotrofoblasto y amnios

A

Hoja somatopleural o PLACA CORIÓNICA

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13
Q

Capa que cubre al Saco Vitelino

A

HOJA ESPLACNOPLEURAL

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14
Q

Día en el que sucede la Implantación Definitiva

A

Día 13 - 14

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15
Q

Citotrofoblasto + Sincitiotrofoblasto

A

Vellosidades primarias

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