Cordon Umbilical Flashcards

1
Q

Composicion del cordon umbilical

A

Tres vasos:
- 2 arteras (corazon a placenta)
- 1 vena (placeta a corazon)

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2
Q

Por que esta rodeado el cordon umbilical?

A

Gelatina de Wharton

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3
Q

Cuanto mide de longitud el cordon umbilical?

A

30 cm

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4
Q

Funcion cordon umbilical

A

Conecta al feto con la placenta

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5
Q

Cual es una caracteristica de los vasos que puede indicar la posibilidad de malformacion fetales?

A

Tener dos vasos

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6
Q

Membrana más interna de los recubrimientos fetales

A

Saco aminotico

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7
Q

Quien forma al liquido aminotico?

A

Placenta y riñon

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8
Q

Funcion del líquido amniotico en el feto

A
  • Hidratacion
  • Volumen circulatorio
  • Funcionamiento renal
  • Amortigua
  • Temperatura constante
  • Permite movimientos libres
  • Evite que entren los tubos
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9
Q

Volumen de liquido amniotico en la semana 10

A

30 ml

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10
Q

Volumen de liquido amniotico en la semana 37

A

700 - 1000 ml

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11
Q

Volumen del liquido amniotico al momento del parto

A

600 ml

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12
Q

Oligohidramios

A

Poco liquido amniotico.
Debido a la agenesia renal, obstrucciones renales, disfuncion placentaria o deshidratacion

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13
Q

Polihidramios

A

Mucho liquido amniotico.
Debido a atresia esofagica, anencefalia

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14
Q

Elementos del cordon umbilical temprano
(Despues desaparecen)

A
  • Alantoides
  • Conducto vitelino
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15
Q

Uraco

A

Estructura temporal que comunica la vejiga urinaria con el ombligo

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16
Q

En que se convierte el uraco?

A

Ligamento umbilical medial