Any of a class of proteins present in the serum and cells of the immune system, that function as antibodies.
- The passive transmission of various antibodies from intravenous immunoglobulin has been reported.
- Breast milk contains a range of antimicrobial proteins, including immunoglobulins, lysozyme, and lactoferrin.
- Antibodies, or Y-shaped immunoglobulins, are proteins found in the blood where they help to fight against foreign substances called antigens.
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