Embriologia cardiovascular Flashcards

1
Q

Organos hemapoyeticos embrion y feto

A
  • saco vitelino
  • higado
  • bazo
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2
Q

Organos hemapoyeticos adulto

A
  • Timo
  • Medula Espinal
  • Ganglios linfaticos
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3
Q

Donde aparecen las primeras celulas hemapotoyeticas?

A

en el saco vitelino

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4
Q

Angiogenesis

A

Formacion de vasos a partir de pre existentes, induce por VEGF,

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5
Q

Vasculogenesis

A

Formacion de vasos a partir de islotes vasculares

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6
Q

Venas importantes

A
  • vitelinas N.O
  • umbilicales O
  • cardinales N.O del cuerpo del embrion
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7
Q

Que proteinas determian el lado del corazon?

A
  • Nodal (derecha)

- Left-2 (izquierdo)

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8
Q

Factores de transcripcion

A
  • Hand-1 restringe al ventriculo izq

- Hand-2 restringe al ventriculo derch

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9
Q

Que hace la TGF-B3

A

que las celulas endocardicas se desprendas y entre a la gelatina cardiaca (rica en HCl)

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10
Q

A partir de que se forman la almoadillas endocardicas

A

cresta neural

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11
Q

describe el proceso de de los septum y ostium

A

Primero se forma el septum prium, que no alcanza a llegar a las almohadillas, formando ostium prium.
Segundo el septum prium se desplaza a las almoadillas generando un ostium secundum.
aqui aparece el septum secundum, el cual va desecender formando el foramen oval

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12
Q

Que pasa en el atrio izquierdo?

A

penetra una vena pulmonar

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