Imunidade Celular Flashcards

1
Q

Imunidade Celular - Mediada por:

A

Linfócitos T

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2
Q

Imunidade Celular - Age contra:

A

Micro-organismos intracelulares.

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3
Q

Imunidade Celular - Funções 2

A

Ativar fagocitos

CD8 → matam as células que abrigam MO infecciosos no citoplasma

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4
Q

Anticorpos - Característica

A

Não têm acesso a MO que vivem e dividem dentro de células infectadas.

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5
Q

Linfócitos T CD4/8 - Reconhecem os antígenos através:

A

Do MCH → aos quais são apresentados antígenos.

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6
Q

Linfócitos T - Reconhecem através do MHC:

A

Somente antígenos peptidicos.

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7
Q

Antígenos Peptidicos - Localização

A

Ligados ao MHC

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8
Q

CD4 - Outros Nomes 2

A

Helpers

Auxiliares

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9
Q

CD4 - São auxiliares porque:

A

Potencializam / ativam outras células do sistema imune.

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10
Q

CD4 - Função

A

Liberar citosinas → e ativar outras células.

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11
Q

CD8 - Outros Nomes 2

A

Citotóxicos

Citolíticos

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12
Q

CD8 - Contém: 2

A

Perforinas

Granzimas

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13
Q

CD8 - Função

A

Destruir as células que estão infectadas por MOs.

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