Anatomía e Histología del Tejido Hematopoyético Flashcards

1
Q

Periodos hematopoyesis

A
  1. Hematopoyesis Primitiva
    2.Hematopoyesis Definitiva
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2
Q

¿Periodo hematopoyesis?
* Carácter extraembrionario
* Saco gestacional
* Provee células que faciliten la oxigenación al embrión

A

Hematopoyesis Primitiva

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3
Q

¿Periodo hematopoyesis?
* Carácter intraembrionario
* Produce una población estable y continua de células sanguíneas hasta la adultez

A

Hematopoyesis definitiva

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4
Q

Fase hepática

A

Hematopoyesis Definitiva
5-6º Semanas

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5
Q

Hematopoyesis definitiva 8º semana

A

La secreción fetal de cortisol conduce de Fase hepática → Fase medular

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6
Q

Celularidad Médula Ósea

A

Porcentaje % ocupado por células
100 - edad= celularidad

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7
Q

Relación mieloide:
Médula Ósea

A

Recién nacido: 1 : 3-4
Adulto: 2-5 : 1

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8
Q

Órgano linfoide primario

A

Timo

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9
Q

Órganos linfoides centrales o primario

A

Médula Ósea
Timo

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10
Q

Órganos linfoides periféricos o secundarios

A
  • Ganglios
  • Bazo
  • Tejido linfoide asociado a muscosa “MALT”
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11
Q

Órgano más grande del sistema retículo endotelia

A

Bazo

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12
Q
A
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