Pronunciation: (an'ti-bod"ē), [key]
pl. -bod•ies.

1. any of numerous Y-shaped protein molecules produced by B cells as a primary immune defense, each molecule and its clones having a unique binding site that can combine with the complementary site of a foreign antigen, as on a virus or bacterium, thereby disabling the antigen and signaling other immune defenses. Abbr.: Ab
2. antibodies of a particular type collectively. Also called immunoglobulin.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

antiblasticantibody-mediated immunity
See also:


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