hongos 1 Flashcards

1
Q

Mykes

A

hongos verdaderos

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2
Q

caracteristicas de hongos

A
eucariotas 
membrana - ergosterol 
pared celular - quitina 
Oportunistas 
No se diseminan
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3
Q

Gram?

A

todos los hongos son gram positivo

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4
Q

infeccion

A

esporas

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5
Q

flora normal

A

Malassezia Furfur

Candida Albicans

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6
Q

mecanismos de patogenicidad

A

micotoxicos

  • veneno metabolico
  • alcaloides
  • psicotropicos
  • aflatoxinas

hipersensibles
colonizacion del huesped

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7
Q

Eumycota

A

Zygomycotina
Ascomycotina
Basidiomycotina
Deuteromycotina

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8
Q

Esporas sexuales

A

union de 2 nucleos haploides

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9
Q

esporas asexuales

A

en el esporangio

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10
Q

asexual
sexual
hongo completo

A

anamorfa
telomorfa
holomorfa

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11
Q

pared celular

A

quitina
polisacaridos

proteinas
sales inorganicas

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12
Q

composicion de la quitina

A

N-acteil-D- Glucosamina

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13
Q

talo

A

minima porcion capaz de realizar todas las funciones necesarias para desarrollar una colonia
dos tipos
-filamentosas
-unicelular

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14
Q

talo 2 tipos

A

filamentosas

multicelulares

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15
Q

Hifa

A

estructura tubular que contiene protoplasma, rodeado de pared y membrana
macrosifonada
microsifonada

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16
Q

Micelio

A

conjunto de hifas
micelio microsifonado -hongos
micelio macrosifonad-bacterias
Septado o no septado

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17
Q

tipos de micelio

A

reproductivo
vegetativo
sumergido

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18
Q

base de la implantacion

A

angosta- paracoccidioides brasilensis

ancha - blastomyces dermatitis

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19
Q

angosta

A

paracoccidioides brasilensis

20
Q

ancha

A

blastomyces epidermides

21
Q

tipos de esporas

A

Macroconidias
Artoconidias
Blastoconidias

22
Q

sitio de infeccion

A

superficial
cutanea
subcutanea
sistemica o profunda

23
Q

ruta de adquisicion

A

endogena - candida malassezia

exogena- respiratoria o digestico

24
Q

tipo de virulencia

A

patogenos primarios

patogenos oportunistas

25
micosis primarias
infecciones en pacientes normales | infecciones asintomaticas
26
micosis primarias- ejemplos
coccidioides immitis histoplasma capsulatum blastomyces dermatitidis paracoccidioides brasiliensis
27
micosis oportunistas
``` cryptococcosis - Cryptococcus neoformans feohifomicosis- Hongo negro candidiosis - Candida aspergilosis - Aspegillus hialomicosis - Fusarium ```
28
infeccion superficial
``` Piedra negra piedra blanca Pitiriasis Tinea Nigra Palmaris ```
29
infeccion cutanea
darmatomicosis | candida
30
infeccion subcutanes
origen exogeno | entra por inoculo
31
infeccion sistemica
exogena o endogena | via de ingreso principal- respiratorio
32
dimorfismo
25- micelial | 37-levaduriforme
33
Dimorfismo ejemplo
``` Paracoccidioides brasiliensis Blastomyces dermatitides Histoplasma capsulatum Coccidioides immitis Cromomicosis ```
34
antimicoticos
toxicos | desnaturalizan membrana de eucariotas
35
Polienos
Nistatina Anfotericina B Anfotericina B liposomal
36
Azoles (imidazoles)
``` Econazole miconazole Tioconazole Ketoconazole Clotrimazole ```
37
Azoles (Triazoles )
Fluconazole Variconazole Itraconazole
38
Antimetabolitos
Flucitocina
39
Equinocandinas
Caspofungina Anidulafungina Micafungina
40
Alilaminas
Naftifine y Terbinafine
41
nistatina
polieno | vaginal o digestivo
42
Afotericina B
Polieno Destruye membrana uniendose al ergosterol Infecciones sistemicas Nefrotoxico
43
Afotericina B- tipos
Liposomal Complejo lipidico Dispersion Coloidal
44
Imidazoles
Anillo azolico con 2 nitrogenos uso topico solo el ketoconazole es de uso sistemico
45
Triazoles
inhiben el crecimiento del hongo | El Voriconazole es bueno contra el Aspergillus
46
Azoles- mecanismo de accion
inhibe el crecimiento de la pared celular inhibe la sintesis de ergosterol inhibe el citocromo P450