Micro 1 exmane Flashcards

1
Q

Amibas intestinales
Amibas de vida libre

A

E. histolytica
Naegleria

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2
Q

Caract. E.histolytica

A

Protozoario anaerobio
Fase de trofozoito y fase de quiste

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3
Q

Dif. E. histolytica y E. coli

A

H. Tamaño 10-50
Un solo núcleo, cromatina regular y nucleosoma central
Endoplasma con eritrocitos

Coli: Tamaño 10-30
Un solo núcleo, cromatina irregular y nucleosoma excentrico
Endoplasma sin eritrocito

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4
Q

Transmisión

A

Ingesta de quistes maduros en agua o alimentos contaminados con materia fecal o sexo anal

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5
Q

Ciclo Biologico

A

Quistes entran por estomago, reblandecen pared
-Duodeno se abren quistes dividiendose los núcleos y liberan 8 trofozoitos
-Trofozoitos van a colon, entran a criptas y dan ulceraciones
-Se desprenden y salen en heces

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6
Q

Fases infectantes

A

Amibiosis intestinal
- Quistes
Amibiosis extraintestinal
-Trofozoitos

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7
Q

Epidemio

A

Más frec. en adultos

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8
Q

Dx

A

Diarrea con moco y sangre
CPS
ELISA se diferencian

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