Placenta + anexos Flashcards

1
Q

Caras de la placenta

A
  • materna: decidua basal –> endometrio modificado

- fetal: corion frondoso

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2
Q

De donde surge el corion frondoso?

A

arborizacion que emerge de la placa corionica

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3
Q

Anexos embrionarios…

A
  • saco vitelino: parte del intestino primitvo
  • saco corionico: amnios contacto col feto +corion liso vellosidades simples
  • cordon umbilical 2 art umbilicales+1 vena umbilical
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4
Q

Reaccion decidual?

A

modificaicon endometrio para la implantacion

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5
Q

Nombrar 3 deciduas

A
  • capsular: sobre saco corionico
  • parietal: cubre utero
  • basal: cara materna con placenta
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6
Q

a que corresponde la camara hematica?

A

al espacio entre la cara fetal y materna de la placenta por donde solo circula sangre amterna, las cual llega atraves de art. espirales

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7
Q

Vellosidades corionicas

A
  • troncales desde placa corionica
  • libres con capilares internos
  • anclaje se anclana a la decidua
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8
Q

como se forma la placenta?

A

el blastocito se implatara en una zona con pinopodos, ocurriendo una reaccion trofoblasto y endometrio

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9
Q

Vellosidades

A
  1. citotrofoblasto (CT) + sinciciotrofoblasto (ST)
  2. CT+ST + Mesordema extraembrionario
  3. CT+ST + Mesordema extraembrionario + vasos
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