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immunoglobulin types
| Term | Definition |
|---|---|
| Ig G | Blood, extracellular fluid, lymph. crosses placenta and provides long term immunity following an illness or vaccination |
| Ig A | External secretions(tears and sliva). provised passive immunity for breast fed infants, found in secretions of all mucous membranes |
| Ig M | Blood and lymph. produced first during an infection |
| Ig D | On B cells, antigen specific receptors on B lymphocytes |
| Ig E | Mast cells or basophils. important in allergic reactions, mast cells release histamine. |