T12 Protozoos I Flashcards

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1
Q

forma infectante

A

-esporozoito
-ooquiste

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2
Q

forma patogena

A

-trozoitos
-forma vegetativa

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3
Q

reproducción

A

-asexual (gemación, fisión binaria)
-sexual (gametación, conjugación)

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4
Q

grupos de protozoos

A

-Subphylum Sarcomastigophora (sarcodina=pseudopodos ; mastigophora=flagelados)
-Subphylum Sporozoa (Coccidia, Piroplasmidia, Haemospora)
-Subphylum Ciliophora

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5
Q

Clase Sarcodina

A

-Entamobea histolyca

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6
Q

Clase Mastigophora

A

-Trichomonas
-Histomonas
-Giardia
-Leishmania
-Trypanosoma

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7
Q

Entamobea histolyca

A

-disenteria
-ulceras cuello de botella
-abscesso
-quiste con cuerpos cromatoideos
-ciclo directo
-zoonosis (perro y gato)

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8
Q

Trichomonas

A

-ITS
-infertilidad
-ciclo directo
-no tiene quistes

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9
Q

Histomonas

A

-enfermedad de “la cara negra”
-necrosis y infección del ciego
-necesita H. gallilium para su ciclo completo
-huevos puede sobrevivir más de dos años

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10
Q

Giardia

A

-G. intestinalis, G. duodenalis
-enteritis y diarea mala absorbida
-división por gemción
-elimina trozoitos o quiste
-prevención cloración de las aguas

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11
Q

Leishmania

A

-enfermedad de l asangre y dermico
-vector mosquitos (Phlebomotus y Lutzomya)
-zoonosis y antroponosis
-afectación cutanea: L. braziliensis, L. tropicalis
-afectación dermica: L. donovani (fiebre Dum-Dum y L. infantalis)
-L. donovani: lesión cutaneas, alopecia, conjuntivitis
-diag: hematuria, proteinuria, plaqueturia, IgG, fluorenscia, MO

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12
Q

Trypanosoma

A

-similar a Leishmania
-vectores:
-mosca Tsé-Tsé: T. vivax
-tabanos y vampiros: en Asía
-chinche: T. cruzi
-no hosp. int: equiperdum

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13
Q

pruebas directas

A

-visión fresco
-tinción de Giemsa (fina; gruesa=no fijadora)
-microhemolitico
-biopsia

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14
Q

pruebas indirectas

A

PCR

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