Microbiology immunology

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Humoral immunity

B cells
Cell mediated immunity

T cells
IgG
- gamma globulin
- largest quantity
- cross placenta
- increase during secondary response
IgA
- body secretions
- -breast milk
IgM
- immediate
- largest in size
IgE
- allergies
- histamine
IgD
- bind to antigens
- activates B cells
Lupus

butterfly rash on face
Myasthenia gravis
- decrease muscle fibers
- effects acetylcholine receptors
Agammaglobulinemia
- lack of B cells
- give igG
Severe combined immunodeficiency disease (SCID)
- lack T and B cells
- boy in bubble disease
AIDS

decrease in T cells