Immunology Flashcards

1
Q

immune system

A

collection of cells, tissues, and molecules that mediate resistance to infections, remove dead/damaged cells, and recognize and remove abnormal/mutated self cells

prevent infection by stimulating immune response

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2
Q

innate immune response

A

body’s watch dog

mediates initial protection

phagocytosis and inflammation

physical - skin
chemical - mucous and stomach acid
cells - complement cascade, NK cells, phagocytes, dendritic cells

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3
Q

opsonization

A

process of promoting phagocytosis

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4
Q

opsonin

A

agent promoting phagocytosis

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5
Q

adaptive/acquired immune system

A

develops slowly

more effective defense against infection

cellular/-mediated immunity
humoral immunity

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6
Q

cellular/-mediated immunity

A

defending the body against intracellular pathogens

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7
Q

humoral immunity

A

B-lymphocytes differentiate into plasma cells that secrete antibodies/immunoglobulins defending the body against extracellular pathogens

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