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| im·mu·no·glob·u·lin [ ìmmyənō glóbbyəlin, i my nō glóbbyəlin ] (plural im·mu·no·glob·u·lins) |
noun |
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| Definition: |
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glycoprotein acting like an antibody: an antibody belonging to a group formed by cells of the immune system and present in the blood. Immunoglobulins are found in blood serum, the respiratory and digestive tracts, and body secretions, and they are grouped into five classes on the basis of their structure and physiological activity.
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