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Med. Term. Review6
Immunoglobulins
Question | Answer |
---|---|
IgA | In body secretions and on skin, in colostrum (first milk produced by breastfeeding mother) that provides passive immunity for infant until 18 months of age when it can begin to make its own. |
IgD | On surface of B cell lymphocytes -- turns it into a plasma cell. |
IgE | On surface of basophils. Releases heparin and histamine during inflammatory and allergic reactions. |
IgG | Most abundant! Provides active immunity, the body's response to pathogens. They are the smallest. Passes through the placenta of mother to fetus to provide passive immunity. Goodness they are abundant but small. |
IgM | Largest! The Mother of them all because they are large, but mother F'ers because they are incompatible with blood types during transfusion. Produced the first time the body encounters a pathogen. |