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Meaning of antibody-mediated immunity

an'ti•bod•y-me'di•at•ed immu'nity

Pronunciation: (an'ti-bod"ē mē'dē-ā"tid, an'tē-), [key]
— Immunol. Immunol.
  1. immunity conferred to an individual through the activity of B cells and their progeny, which produce circulating antibodies in response to the presence of a foreign substance and recognize the substance upon renewed exposure. Also calledCf. cell-mediated immunity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.