Epitelios Flashcards

1
Q

Que es el transporte transepitelial

A

Paso de sustancias a través del epitelio ya sea para absorber o secretar

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2
Q

Mecanismos del transporte transepitelial

A

Transcelular= a través de poros, canales, bombas en porción apical y basolateral
Paracelular= se pasa paralelo a la célula

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3
Q

Que es la membrana apical y sus componentes

A

Parte exterior
- bombas
- poros
- microvellosidades
- estereocilios y cilios

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4
Q

Que presenta la membrana lateral

A

Bombas Na - K ATPasa
Y las uniones

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5
Q

Uniones de la membrana lateral

A

Zona ocluyente
Zona adherente
Desmosoma

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6
Q

Zona ocluyente

A

Estrecha
Ocludinas y claudinas

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7
Q

Zona adherente

A

Caderina
Complejo caderina - catenina actina

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8
Q

Desmosoma

A

Desmoplaquina y pacoglobina se unen a Filamentos intermedios

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